1968 Chevrolet C20 Suburban Engine: 5.3L V8;EngineVIN: E; FuelSystem: 4BBL; 4 Bore Gasket; Spread bores;. 1968 Chevrolet C20 Suburban Engine: 6.5L V8; 4 Bore Gasket; Spread bores;. 1969 Chevrolet C20 Suburban Engine: 5.3L V8;FuelSystem: 4BBL; 4 Bore Gasket; Spread bores;.
