Fuel Pump Hex Drive with Bearing & Shims Suit S/B & B/B Chev

Drive your Enderle fuel pump directly off your engines camshaft. Big block Chevs can mount the pump directly to the timing cover. The 4" Extension is required to clear the harmonic balancer on Small Block Chevs and the 6" extension is used in blown applications to bring the pump out past the blower belt.