Fitments
36-47 E, EL Knucklehead (NU)
Part Description
James, Knuckle head & base gasket kit. Copper/RCM
Comes with embossed copper head gaskets and RCM (Rubber Coated Metal) cylinder base gaskets with a dual silicone bead. Kit to service one engine. OEM replacement reference 16770-36 (old H-D 12-36) head and 16774-21 (old H-D 46-21) base gasket.