8535 -- P series (Fed., stainless steel exhaust) 8049 -- 8549 -- P series (California ... , cast iron exhaust) 8032 -- 8532 1986 305 5.0, 350 5.7 ... 8530 1985 454 7.4 eng., stainless steel exhaust manifold 8049 -- 8549 1985 454 7.4 ... engine, cast iron exhaust manifold 8032 -- 8532 1985-1977 366,427,454 ... without HEI 8008 8708 8508 1974-1955 265, 283, 307, 327, 350, 400 engines without ... 8059 8759 8559 --- wires routed under exhaust manifold 8063 8763 8563 1972-1963 366, ...