With .030" thick MLS (Multi-Layer-Steel) head gaskets, SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets. The SLS gaskets 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. Note: Kit comes with 99-04 style valve seals and 99-10 style breather gaskets.
