Cometic C9845-NH Twin Cam 88 Top End Rebuild Kit without Head Gasket 1999-2002

The Cometic C9845-NH EST Top End Gasket Kit includes every gasket, seal, washer, and O-ring from the base gasket up to the rocker boxes needed for a top end rebuild, specifically designed for Harley-Davidson Twin Cam 88 engines. This kit features Cometic's Extreme Sealing Technology (EST) for superior sealing performance under demanding conditions.

Key Features:

• Three-piece MLS head gaskets feature an aluminized stainless steel center sandwiched between two nitrile bunadiene rubber (NBR) coated stainless spring steel outer layers that are embossed
• Cam cover gasket made from aluminum foam material (AM), a chemically blown compound of nitrile synthetic foam-like rubber bonded on both sides of an aluminum base sheet
• Rocker cover gaskets made from embossed stainless spring steel coated on both sides with NBR
• Umbrella valves, intake seals, and all O-rings made from either Viton or NBR for superior heat resistance
• Designed for 3.750" bore size (stock Twin Cam 88 bore)
• .030" MLS head gasket thickness
• Drain back O-rings are not required
• Replaces Harley-Davidson OEM# 17052-99B

All Cometic products are made in the United States with materials manufactured on American soil, ensuring consistent quality and reliability. This kit is ideal for complete top end rebuilds on 1999-2002 Twin Cam 88 and 96 cubic inch engines.