New Harley Bike Products

A leaking primary cover gasket compromises engine sealing and can lead to oil weeping, contamination, and potential engine damage over time. The JAMES GASKET Primary Cover Gasket Foam delivers OEM-equivalent or superior sealing performance with precision...

Inspection and derby covers are high-wear components that demand reliable sealing to prevent oil leakage and contamination. The JAMES GASKET Inspection Cover Kit eliminates guesswork with OEM-quality molded rubber seals engineered to work across billet,...

Exhaust port gaskets are critical sealing components that prevent combustion gases from escaping before they reach your exhaust system—losing even a small amount of seal integrity will rob you of horsepower and create heat management issues around the...

A proper exhaust port seal is critical to maintaining engine performance and preventing heat loss in your Big Twin or XL application. This James Gasket kit eliminates the guesswork with OEM-quality components and heavy-duty fasteners that won't loosen or...

Exhaust port gaskets are critical to maintaining a proper seal between your engine case and exhaust manifold—a failure here means lost compression, oil seepage, and compromised performance. This James Gasket kit delivers the durability and precision fit...

A reliable exhaust port gasket is critical to maintaining cylinder seal integrity and preventing combustion gas leakage that compromises performance and fuel efficiency. JAMES GASKET's copper construction provides superior heat resistance and...

A quality exhaust gasket is the foundation of a leak-free exhaust system—without it, you're losing performance and inviting exhaust leaks that compromise engine efficiency and sound quality. The JAMES GASKET Steel Exhaust Gasket delivers reliable sealing...

A quality exhaust port gasket is critical to maintaining a proper seal and preventing exhaust leaks that rob your engine of efficiency and create unwanted noise. The JAMES GASKET 3 Bolt design ensures reliable performance across multiple applications,...

A quality exhaust gasket is critical to maintaining a proper seal between your exhaust manifold and cylinder head—any leakage compromises engine efficiency and creates unwanted noise. The James Gasket Fire Ring design withstands extreme temperatures and...

A quality exhaust port gasket is critical to maintaining cylinder seal integrity and preventing combustion gas leakage that compromises power output and reliability. The JAMES GASKET Exhaust Port Gasket is engineered to handle the thermal cycling and...

A cam change or top-end rebuild demands precision—and that starts with the right gaskets and seals. The JAMES GASKET Tappet Cover Gasket Kit eliminates guesswork by bundling every seal you need for Twin Cam engines in one convenient package. Skip the...

A quality gasket kit is essential for maintaining compression integrity and preventing fluid leaks in high-performance engines. The JAMES GASKET RCM kit delivers OEM-grade sealing with precision-cut components engineered to withstand extreme combustion...

A quality gasket kit is the foundation of a reliable engine seal—without it, you're risking oil leaks, compression loss, and potential engine damage. The JAMES GASKET Head/Base Gasket Kit ensures a proper, lasting seal between critical engine surfaces...

A quality base gasket is foundational to engine reliability, and the JAMES GASKET Big Twin model delivers the precision fit your engine demands. This U.S.-manufactured gasket eliminates the guesswork of sealer application—it seals without additional...

A quality gasket kit is non-negotiable when rebuilding a Twin Cam engine—cheap seals lead to oil leaks, compression loss, and catastrophic failure. The JAMES GASKET Top End Gasket Kit gives you OEM-grade components manufactured to exact specifications,...

A failing primary cover gasket compromises engine sealing and invites oil leakage that can damage your engine case and surrounding components. This JAMES GASKET replacement meets or exceeds OEM specifications, ensuring a reliable seal that performs under...

A quality primary gasket is foundational to preventing oil seepage and maintaining crankcase integrity on your Big Twin—neglect this and you're inviting leaks that compromise performance and create mess. The JAMES GASKET Primary Gasket/Seal delivers the...

A leaking rocker cover gasket compromises engine sealing and invites oil seepage that attracts dirt and contaminates your engine bay. The JAMES GASKET Rocker Cover Gasket is engineered to factory specifications for Big Twin applications, delivering...

A leaking rear tappet block gasket compromises oil circulation and engine reliability—especially critical during high-RPM operation or extended track sessions. This James gasket kit delivers OEM-quality sealing with the convenience of a complete,...

A leaking front tappet block gasket compromises engine sealing and can lead to oil weeping and potential internal contamination during a cam change or rebuild. The JAMES GASKET Front Tappet Block Gasket ensures a proper, OEM-specification seal without...