Spring is used on the curb idle speed adjustment screw. Also used on Fast Idle screw on Rochester carburetors.
Fits:
Rochester Quadrajet carburetors
Rochester Dualjet carburetors
Ford/Motorcraft 1100 carburetors
Ford/Motorcraft 2100 carburetors
Ford/Motorcraft 2150 carburetors
Ford/Motorcraft 4100 carburetors
Ford/Motorcraft 4300 carburetors
Ford/Motorcraft 4350 carburetors
Spring OD: .275"
Spring ID: .205"
Spring length: 1/2"
Note:
This spring is not normally used on Idle Mixture screws. It is used for idle speed setting and on fast idle screw.
Quantity: 1 spring