Fitments
66-84 Shovelhead with 3-13/16" big bore cylinders (NU)
Part Description
Cometic, EST top end gasket kit. Shovel 3-13/16" big bore
With 3.812" bore MLS (Multi-Layer-Steel) .040" thick head gaskets without oil drain holes. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets, seals and o-ring for a complete top end rebuild.