1987 Chevrolet V20 4.8L L6 GAS;. 1987 Chevrolet V20 5.7L V8 GAS;. 1987 Chevrolet V20 6.2L V8 DIESEL;. OE Equivalent Fuel Tank Cap;. Fuel Tank Cap;. Gates - Driven By Possibility. Two-way action pressure relief/vacuum relief valve allows fuel tank to ?.
