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Carburetor Parts & Rebuild Kits for Carter, Holley, Ford, Rochester & Stromberg.
"B" 37B NOS Quadrajet Primary Metering Rods, .037"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Very limited quantities available.
Rod Specifications:
Double taper design “B”
Cruise diameter: .037"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 37B rod has a large diameter of .037" and a small diameter "power tip" of .026". The .037" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2537B-NOS
"B" 38B NOS Quadrajet Primary Metering Rods, .038"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Very limited quantities available.
Rod Specifications:
Double taper design “B”
Cruise diameter: .038"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 38B rod has a large diameter of .038" and a small diameter "power tip" of .026". The .038" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2538B-NOS
"B" 39B NOS Quadrajet Primary Metering Rods, .039"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Very limited quantities available.
Rod Specifications:
Double taper design “B”
Cruise diameter: .039"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 39B rod has a large diameter of .039" and a small diameter "power tip" of .026". The .039" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2539B-NOS
"B" 43B Quadrajet / Dualjet Primary Metering Rods, .043"/.026" t
Qty: 2 Rods - Used to tailor primary part throttle air/fuel enrichment . Fits...see more
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Rod Specifications:
Cruise diameter: .043"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 43B rod has a large diameter of .043" and a small diameter "power tip" of .026". The .043" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.…see more
- Part Number
- 2543B
"B" 44B Quadrajet / Dualjet Primary Metering Rods, .044"/.026" t
Qty: 2 Rods - Used to tailor primary part throttle air/fuel enrichment . Fits...see more
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Rod Specifications:
Cruise diameter: .044"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 44B rod has a large diameter of .044" and a small diameter "power tip" of .026". The .044" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.…see more
- Part Number
- 2544B
"B" 45B NOS Quadrajet Primary Metering Rods, .045"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Very limited quantities available.
Rod Specifications:
Double taper design “B”
Cruise diameter: .045"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 45B rod has a large diameter of .045" and a small diameter "power tip" of .026". The .045" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2545B-NOS
"B" 45B Quadrajet / Dualjet Primary Metering Rods, .045"/.026" t
Qty: 2 Rods - Used to tailor primary part throttle air/fuel enrichment . Fits...see more
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Rod Specifications:
Cruise diameter: .045"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 45B rod has a large diameter of .045" and a small diameter "power tip" of .026". The .045" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.…see more
- Part Number
- 2545B
"B" 47B NOS Quadrajet Primary Metering Rods, .047"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Very limited quantities available.
Rod Specifications:
Double taper design “B”
Cruise diameter: .047"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 47B rod has a large diameter of .047" and a small diameter "power tip" of .026". The .047" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2547B-NOS
"B" 48B NOS Quadrajet Primary Metering Rods, .048"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Very limited quantities available.
Rod Specifications:
Double taper design “B”
Cruise diameter: .048"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 48B rod has a large diameter of .048" and a small diameter "power tip" of .026". The .048" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2548B-NOS
"B" 48B Quadrajet / Dualjet Primary Metering Rods, .048"/.026" t
Qty: 2 Rods - Used to tailor primary part throttle air/fuel enrichment . Fits...see more
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Rod Specifications:
Cruise diameter: .048"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 48B rod has a large diameter of .048" and a small diameter "power tip" of .026". The .048" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.…see more
- Part Number
- 2548B
"B" 49B NOS Quadrajet Primary Metering Rods, .049"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Very limited quantities available.
Rod Specifications:
Double taper design “B”
Cruise diameter: .049"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 49B rod has a large diameter of .049" and a small diameter "power tip" of .026". The .049" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2549B-NOS
"B" 49B Quadrajet / Dualjet Primary Metering Rods, .049"/.026" t
Qty: 2 Rods - Used to tailor primary part throttle air/fuel enrichment . Fits...see more
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Rod Specifications:
Cruise diameter: .049"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 49B rod has a large diameter of .049" and a small diameter "power tip" of .026". The .049" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.…see more
- Part Number
- 2549B
"B" 50B Quadrajet / Dualjet Primary Metering Rods, .050"/.026" t
Qty: 2 Rods - Used to tailor primary part throttle air/fuel enrichment . Fits...see more
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits all 1974 and earlier Rochester Quadrajet carburetors, also some later year truck and marine carburetors. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet.
Rod Specifications:
Cruise diameter: .050"
Power tip diameter:.026"
Rod overall length: 2.465" - 2.480"
Primary Rod Tech:
A 50B rod has a large diameter of .050" and a small diameter "power tip" of .026". The .050" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "B" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.…see more
- Part Number
- 2550B
"J" 32J NOS Quadrajet Primary Metering Rods, .032"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .032"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 32J rod has a large diameter of .032" and a small diameter "power tip" of .026". The .032" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2532J-NOS
"J" 36J NOS Quadrajet Primary Metering Rods, .036"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .036"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 36J rod has a large diameter of .036" and a small diameter "power tip" of .026". The .036" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2536J-NOS
"J" 37J NOS Quadrajet Primary Metering Rods, .037"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .037"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 37J rod has a large diameter of .037" and a small diameter "power tip" of .026". The .037" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2537J-NOS
"J" 38J NOS Quadrajet Primary Metering Rods, .038"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .038"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 38J rod has a large diameter of .038" and a small diameter "power tip" of .026". The .038" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2538J-NOS
"J" 40J NOS Quadrajet Primary Metering Rods, .040"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .040"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 40J rod has a large diameter of .040" and a small diameter "power tip" of .026". The .040" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2540J-NOS
"J" 41J NOS Quadrajet Primary Metering Rods, .041"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .041"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 41J rod has a large diameter of .041" and a small diameter "power tip" of .026". The .041" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2541J-NOS
"J" 54J Quadrajet Primary Metering Rods, .054"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods.
Rod dimensions are NOT stamped in rod.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .054"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 54J rod has a large diameter of .054" and a small diameter "power tip" of .026". The .054" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2554J
"J" 56J Quadrajet Primary Metering Rods, .056"/.026"
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods.
Rod dimension is NOT stamped in rod.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single medium length taper design “J”
Cruise diameter: .056"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 56J rod has a large diameter of .056" and a small diameter "power tip" of .026". The .056" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "J" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2556J
"K" 37K NOS Quadrajet Primary Metering Rods, .037"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .037"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 37K rod has a large diameter of .037" and a small diameter "power tip" of .026". The .037" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2537K-NOS
"K" 38K NOS Quadrajet Primary Metering Rods, .038"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .038"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 38K rod has a large diameter of .038" and a small diameter "power tip" of .026". The .038" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2538K-NOS
"K" 40K NOS Quadrajet Primary Metering Rods, .040"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .040"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 40K rod has a large diameter of .040" and a small diameter "power tip" of .026". The .040" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2540K-NOS
"K" 41K NOS Quadrajet Primary Metering Rods, .041"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .041"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 41K rod has a large diameter of .041" and a small diameter "power tip" of .026". The .041" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2541K-NOS
"K" 42K NOS Quadrajet Primary Metering Rods, .042"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .040"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 40K rod has a large diameter of .040" and a small diameter "power tip" of .026". The .040" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2542K-NOS
"K" 43K NOS Quadrajet Primary Metering Rods, .043"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .043"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 43K rod has a large diameter of .043" and a small diameter "power tip" of .026". The .043" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2543K-NOS
"K" 44K NOS Quadrajet Primary Metering Rods, .044"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .044"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 44K rod has a large diameter of .044" and a small diameter "power tip" of .026". The .044" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2544K-NOS
"K" 44K Quadrajet / Dualjet Primary Metering Rods .044"/.026" ti
Qty: 2 Rods - Used to tailor primary part throttle air/fuel enrichment . Fits...see more
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet carburetors.
Rod Specifications:
Cruise diameter: .044"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets with Electronic Mixture Control Solenoid (MCS)
Note:
"44K" is not stamped into rod, this rod does not have any identification stamped into rod shaft.
Primary Rod Tech:
A 44K rod has a large diameter of .044" and a small diameter "power tip" of .026". The .044" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.…see more
- Part Number
- 2544K
"K" 45K NOS Quadrajet Primary Metering Rods, .045"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .045"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 45K rod has a large diameter of .045" and a small diameter "power tip" of .026". The .045" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2545K-NOS
"K" 46K NOS Quadrajet Primary Metering Rods, .046"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .046"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 46K rod has a large diameter of .046" and a small diameter "power tip" of .026". The .046" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2546K-NOS
"K" 47K NOS Quadrajet Primary Metering Rods, .047"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .047"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 47K rod has a large diameter of .047" and a small diameter "power tip" of .026". The .047" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2547K-NOS
"K" 48K NOS Quadrajet Primary Metering Rods, .048"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .048"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 48K rod has a large diameter of .048" and a small diameter "power tip" of .026". The .048" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2548K-NOS
"K" 49K NOS Quadrajet Primary Metering Rods, .049"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .049"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 49K rod has a large diameter of .049" and a small diameter "power tip" of .026". The .049" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2549K-NOS
"K" 50K NOS Quadrajet Primary Metering Rods, .050"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .050"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 50K rod has a large diameter of .050" and a small diameter "power tip" of .026". The .050" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2550K-NOS
"K" 51K NOS Quadrajet Primary Metering Rods, .051"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .051"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 51K rod has a large diameter of .051" and a small diameter "power tip" of .026". The .051" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2551K-NOS
"K" 52K NOS Quadrajet Primary Metering Rods, .052"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .052"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 52K rod has a large diameter of .052" and a small diameter "power tip" of .026". The .052" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2552K-NOS
"K" 53K NOS Quadrajet Primary Metering Rods, .053"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .053"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 53K rod has a large diameter of .053" and a small diameter "power tip" of .026". The .053" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2553K-NOS
"K" 54K NOS Quadrajet Primary Metering Rods, .054"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single full length taper design “K”
Cruise diameter: .054"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 54K rod has a large diameter of .054" and a small diameter "power tip" of .026". The .054" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "K" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2554K-NOS
"L" 41L NOS Quadrajet Primary Metering Rods, .041"/.026"
New Old Stock (NOS) original Rochester Products primary metering rods. These original rods are no longer produced by Rochester Products and very difficult to find.
Rochester Quadrajet primary metering rods are used to tailor primary part throttle air/fuel enrichment . Fits most 1975 and later non-electronic Rochester Quadrajet carburetors, except some truck and marine carburetors that use the early style rods. Dimension stamped in rod indicates maximum diameter of taper.
Quantity: 2 Primary Metering Rods for Rochester Quadrajet and Dualjet carburetors.
Rod Specifications:
Single short taper design “L”
Cruise diameter: .041"
Power tip diameter:.026"
Rod overall length: 2.395" - 2.400"
Does NOT fit Quadrajets or Dualjets with Electronic Mixture Control Solenoid (MCS)
Primary Rod Tech:
A 41L rod has a large diameter of .041" and a small diameter "power tip" of .026". The .041" section of the rod is positioned in the metering jet during light throttle driving. During heavy acceleration, manifold vacuum decreases allowing the power piston to rise positioning the small diameter (.026") power tip in the metering jet.
Larger diameter rods will lean part throttle/cruise air fuel mixtures. All "L" primary metering rods have the same small diameter power tip (.026"). A great way to fine tune your Q-Jet for better driveablity and fuel mileage.
Note: -
For additional in depth information on Primary Metering Rods (Go to the Primary Metering Rod Tech Info page )…see more
- Part Number
- 2541L-NOS
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