| Ws6store/RPMSpeed is proud to offer the first affordable replacement to the gm composite head gaskets for 4.8/5.3/5.7 engines using older style ls heads like the 862 heads with a notched relief on the surface. Utilizing the same multi-layer style the new gm head gaskets have, these gaskets also offer a heavy duty fire ring and will work on bore sizes up to 3.905. The better heavy duty alternative to the composite gaskets for high compression, nitrous or boost! Designed to last.
Compressed thickness .045-.046 | 
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