Willy's Metering Valve Set - Primary - G5 Gas, 4BBL Carb 122003 in-line pump

in-line pump

Maximum Pressure Rating Of 350 psi

or Diesel fuels

The offset cam and crankshaft key is another method to increase torque and horsepower within the operating range you select

Willy's Metering Valve Set - Primary - G5 Gas, 4BBL Carb 122003 in-line pumpMetering valves convert existing Willy's metering block to a different jet sizing range. Two valves per package (enough for 1 metering block). Metering Valve Applications: G3 = 60 68 Holley Jets G4 = 70 78 Holley Jets G5 = 80 88 Holley Jets G6 = 90 98 Holley Jets A1 = . 130" . 138" a2 = . 140" . 156". Established in 1985, Willy's Carburetor manufactures high performance carburetors for racing engines. Willys Carb and Dyno Shop produces custom 4 and 2