1966 1967 1968 1969 1970 1971 1972 1973 1974 ALL CYLINDER HEAD ASSEMBLY

Part Number: 88958665

ALL  CYLINDER HEAD ASSEMBLY - Part Number 88958665
Cylinder Head Assembly CNC-Ported LS6. GM Performance Parts CNC ported LS6 cylinder heads offer bolt-on power for 4.8L, 5.3L, 5.7L and 6.0L Gen III V-8 engines. CNC-porting is the same as LS6 race heads, but the deck is lightly milled to maintain production 65-cc combustion chambers and 10.5:1 compression. Assembly incudes premium hollow stem stainless steel valves and high-performance valve springs. These heads will support more than 500 horsepower.
CNC-Ported LS6 1966 1967 1968 1969 1970 1971 1972 1973 1974

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