COMETIC, EST ROCKER COVER GASKET KIT. EVO BIG TWIN
Kit for two cylinders. EST's embossed stainless steel metal substrate is coated with a proprietary high-temperature rubber material that virtually eliminates leakage when joining two metal surfaces. Rocker cover gaskets are .020" thick and have .005" of high temperature rubber on both sides. They will not weep, extrude, tear or become brittle over time.
Fits: > 84-91 Evo B.T. (NU)
.022" RCM (Rubber Coated Metal). Final crush .020". James' RCM gaskets consists of a .020" thick stainless spring steel base covered with a .001" thick heat resistant Viton rubber on both sides. A very strong gasket which requires no re-torquing. Gaskets will not become brittle or burn out. Note: Big Twin (type A) style gasket with silicone bead, it will not correctly fit cylinder base of Sportster models.
Fits: > 84-99 B.T.(excl. Twin Cam) (NU)