Willy's Metering Valve Set - Primary - G5 Gas, 4BBL Carb 122003 1964-1991 Pontiac Tempest

1964-1991 Pontiac Tempest

Valve Cover Mount

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Willy's Metering Valve Set - Primary - G5 Gas, 4BBL Carb 122003 1964-1991 Pontiac TempestMetering 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