Wiseco W6374 Engine Gasket Kit Harley-Davidson Twin Cam 4" Bore

The Wiseco W6374 is a complete engine gasket kit designed for Harley-Davidson Twin Cam engines with a 4-inch bore. This comprehensive kit provides everything needed to properly seal an engine rebuild or top-end service, with every gasket engineered to meet or exceed OEM specifications.

Key Features:

• OEM-Quality or Better: All gaskets meet or exceed original equipment manufacturer standards for fit, finish, and sealing performance
• Composite Head Gaskets: Feature a steel core with a state-of-the-art facing material and a patented transparent coating to enhance sealing properties and resist corrosion
• Metal Head Gaskets: Constructed from stainless steel with a patented thermoplastic coating that compensates for micro-imperfections in engine mating surfaces
• High-Strength Fiber Gaskets: Manufactured from premium materials offering superior mechanical and tensile strength resistance
• Anti-Stick Silicon Beading: Applied where applicable to prevent gaskets from bonding to engine surfaces, making future disassembly easier
• Application-Specific Fit: Engineered specifically for Harley-Davidson Twin Cam engines bored to 4 inches

Whether you're performing a complete engine rebuild, a top-end refresh, or an overbore project, the Wiseco W6374 gasket kit delivers the sealing reliability your Twin Cam build demands. Wiseco's decades of performance engine component expertise ensures every gasket in this kit is built to handle the heat, pressure, and vibration characteristic of the Twin Cam platform.