Quick Fuel HR-Series Carburetor 680cfm VS # HR-680-VS Rate_Engine The aerodynamically designed chambers flow

The aerodynamically designed chambers flow 23 percent better and produce more horsepower and torque than the most popular high performance brand

BM launch controls are the choice for performance and dependability

Free Flow Rate:35 gph

Valve Lift with Factory Rocker Arm Ratio:

Quick Fuel HR-Series Carburetor 680cfm VS # HR-680-VS Rate_Engine The aerodynamically designed chambers flowQuick Fuel HR Series Carburetor 680cfm VS # HR 680 VS Carburetor, HR Series, Gasoline, 680 cfm, 4 Barrel, Square Bore, Vacuum Secondaries, Electric Choke, Each CFM: 680 Fuel Category: Gasoline Remanufactured: No Number of Barrels: 4 Carburetor Flange: Square bore Choke: Electric Secondary Type: Vacuum Fuel Inlet: Dual Primary Jet Size: 70 Primary Power Valve (Hg): 6. 5 Hg Primary Discharge Nozzle Size (in.): 0. 031 in. Secondary Jet Size: 74