1975 Chevrolet Bel Air 5.7L V8 GAS;. 1975 Chevrolet Bel Air 6.6L V8 GAS;. 1975 Chevrolet Bel Air 7.4L V8 GAS;. OE Equivalent Fuel Tank Cap;. Fuel Tank Cap;. Gates - Driven By Possibility. Two-way action pressure relief/vacuum relief valve allows fuel tank to ?.
