USA made metering jet is used in Rochester carburetors.
Rochester "B" carburetors.
Rochester "H" carburetors.
Rochester "2G" or Twojet carburetors.
Rochester "4G" or Fourjet carburetors.
Used to tailor air fuel ratio. Number indicates jet size and dimension of jet hole. (For example: a jet stamped 60 will have a .060" orifice) A larger diameter jet will richen the entire fuel curve, from part throttle to full throttle. Re-jetting your carburetor can pay big dividends at the race track and/or increased fuel efficiency. Jet number is stamped into each jet.
Quantity: 1 Jet
Jets are sold singly.
If you have a TwoJet / 2G carburetor, You need to order 2 Jets.
If you have a FourJet / 4G carburetor, You need to order 2 Jets for the primary side and two jets for the secondary side of the carburetor.
These metering jets are correctly profiled and specifically made for the Rochester "B", "H", "2G" and "4G" carburetors. Rochester products made several different styles of jets for use in Quadrajets, 1bbl and 2bbl carburetors, each with their own unique leading and trailing profile on each side of the jet orifice. Be careful as all the various styles will physically interchange and for example, they could all have a .070" jet orifice but due to the leading and trailing profiles being different, each style will have different flow rates.
Make sure that you are using correct metering jet in your carburetor by using QuadrajetParts.com jets.
Note: This item is a non-returnable item. Carburetor jets are not returnable.