1965 Chevrolet Biscayne Engine: 6.5L V8; with Rochester Carburetor; without Air Injection Reactor (A.I.R.); Except Special High Performance; 4 Bore Gasket; Spread bores;. 1966 Chevrolet Biscayne Engine: 5.3L V8; with Rochester Carburetor; without Air Injection Reactor (A.I.R.); Except Special High Performance; 4 Bore Gasket; Spread bores;.
