James gasket set, cylinder base. RCM .022"

.022" thick RCM (Rubber Covered Metal). Final crush .020". With silicone bead. Type ''B''. 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: The Type B'' gasket was introduced on Evolution XL Sportster models in 1986; and will fit all Evo XL models; but also all 84-99 Evo 1340cc models although the Big Twin cylinder base is a bit larger than the gasket. The ''type B'' is the only gasket type that ''The Factory'' supplied from 1986 onwards for both Evo Big Twin and Evo XL Sportster models.