Carburetor Standard Main Jet - 122-81 fuel-tank-vent-hose a pair of specially selected

a pair of specially selected Super 44 Series performance mufflers for a deep powerful sound

Uses Holley water/meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter water/meth flow as a percentage of fuel injector flow for water/meth tuning precision unmatched in the industry

2019-2023 Ram 1500 Classic

2021-2026 Chevrolet Tahoe 376 CID

2003-2009 Chevrolet Silverado 1500

Carburetor Standard Main Jet - 122-81 fuel-tank-vent-hose a pair of specially selectedOverview: These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are flow tested and then stamped with the correct number. Click on Catalog Product Page for complete listing of jets and sizes. Features: Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 &