James, Harley Davidson Top End Gasket Kit. 84-91 Evo Big Twin (NU) BC18577

Genuine James, top end gasket kit. Evo B.T.

.045" head graphite gaskets with Firering®, RCM (Rubber Coated Metal) cylinder base gaskets, RCM (Rubber Coated Metal) rocker base gaskets, and rubber rocker cover gaskets, and includes all gaskets, seals and o-rings for a top end rebuild.

Fits 84-91 Evo Big Twin (NU)

Replaces: 17033-83A