Used to tailor primary enrichment . Fits Carter & Edelbrock AFB & AVS carburetors. Rod size is stamped in rod…see more
Five pairs of color coded step up piston springs, allow for fine tuning of primary metering rod engagement. Great aid…see more
Retaining spring is used to retain the primary metering rods to the step up pistons. Fits all Carter AFB's.
Quantity: 2…see more