With MLS (Multi-Layer-Steel) .040″ thick head gaskets. .010″ SLS (Single-Layer-Steel) cylinder base gaskets. .020″ SLS rocker cover gaskets. SLS gaskets 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. Note: Kit comes with 99-04 style valve seals and 99-10 style breather gaskets.

