James, tappet block gaskets. FR&RR set. RCM

48-99 B.T. (excl. Twin Cam) (NU)

.020" RCM (Rubber Coated Metal). Consists of a .020" thick stainless spring steel base covered with a .001" thick heat resistant Viton rubber on both sides. With an additional double red silicone layer. A very strong gasket which requires no re-torquing.