Fitments
37-47 74" Knuckle; 74/80" Big Twin Flathead (NU)
Part Description
James gasket set, cylinder base. RCM .022"
.022" RCM (Rubber Coated Metal). Final crush .020". OEM replacement reference 16774-21 / 46-21. 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.
