The Adjust-A-Jet bolts in between the metering block and the fuel bowl. The Adjust-A-Jet does not affect the original emulsion characteristics or idle characteristics and will bolt on with little or no modification. The Adjust-A-Jet may be used on any HOLLEY or modified HOLLEY carburetor.
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | Cancer and Reproductive |
Proform
For single inlet vacuum secondary carburetors to replace the original metering plate with a billet metering block. Kit includes longer fuel bowl screw, longer transfer tube and all necessary gaskets,...
Holley
Pick up this Holley replacement primary metering block for Holley R80783, R80783-1 650 CFM Vacuum Secondary Carburetors and R4777-2, R-4777-3 and R-4777-4 650 CFM Double Pumper Carburetors. Designed...
Proform
Primary metering block for all 2300, 4150, 4160 models except carburetors with an accelerator pump transfer tube or reverse idle mixture system. Uses standard fuel bowl and metering block gaskets...
Holley
They are designed to be exact replacements for your existing Holley 3310 model 4160 series carburetor, so they dont require any modifications to install them correctly. Manufactured from quality...
Holley
Adjustable metering block for 2-barrel HP models. (Calibrated for 0-80787-1. Can be recalibrated & used on 0-80583-1. Use bleed kit P/N 36-322.)BRAND: HolleyFEATURES:Holley Performance Emission...
