Harley Twin Cam 95 103 110 Top End Head Gasket Rebuild Kit. For Rebuilding Existing 95, 103, and 110 motors or upgrading to 95, 103, or 110. Three piece head gaskets feature an aluminized stainless steel center sandwiched between two nitrile bunadine rubber (NBR) coated stainless spring steel outer layers that are embossed. Drain back O-rings are not required. The cam cover gasket is made from an aluminum foam material (AFM). It is a chemically blown compound of nitrile synthetic foam-like rubber bonded on both sides of an aluminum base sheet. The rocker cover gaskets are made from an embossed stainless spring steel coated on both sides with NBR. The umbrella valves, intake seals, and all O-rings are made from either viton or NBR Cometic 3. Bore size Fits Twin Cam 1999/Later 95ci, 103ci, & 110ci. 030 head gasket thickness Replaces HD# 17052-99B By: COMETIC GASKET. View more great items.