Willy's GM604 Crate Engine Power Kit - 4-BBL - 750 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Fasteners / Gaskets / Spacer / Spark Plugs Included - Chromate - 604 Crate Engine Fuel Jug LED display shows rev limit

LED display shows rev limit

RACE STRANGE

By-Pass feature is restricted with a jet that can be adjusted to set your desired low-side fuel pressure

2005-2006 GMC Sierra 1500 HD 78

In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams

Willy's GM604 Crate Engine Power Kit - 4-BBL - 750 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Fasteners / Gaskets / Spacer / Spark Plugs Included - Chromate - 604 Crate Engine Fuel Jug LED display shows rev limitProduct Description: Carburetor GM604 Power Kit 4 Barrel 750 CFM Square Bore No Choke Mechanical Secondary Dual Inlet Fasteners Gaskets Spacer Spark Plugs Included Gold Chromate 604 Crate Engine Established in 1985, Willy's Carburetor manufactures high performance carburetors for racing engines. Willys Carb and Dyno Shop produces custom 4 and 2 barrel carburetors for circle track and drag racing applications. They offer carbs in gas, alcohol, and