New Harley Bike Products

A proper tappet cover gasket is critical to preventing oil seepage and maintaining the integrity of your engine's valve train area. This James Gasket component ensures a reliable, factory-quality seal that won't degrade under thermal cycling or high RPM...

A quality rocker cover seal is non-negotiable if you're running a Panhead—oil seepage compromises engine cleanliness and wastes precious lubrication over time. The JAMES GASKET rocker cover seal delivers a positive, long-lasting seal using a solid steel...

A primary gasket failure can compromise your entire engine's integrity, leading to oil seepage, pressure loss, and potential catastrophic damage. The JAMES GASKET Primary Gasket delivers OEM-equivalent sealing performance with silicone beading that...

A compromised crankcase O-ring creates a domino effect of problems—leaks, pressure loss, and potential internal damage that cascade through your Big Twin engine. The JAMES GASKET Crankcase Saver Kit restores the seal integrity without requiring a...

Cam cover gaskets are critical sealing components that prevent oil leakage from your engine's top end—a common failure point that can lead to messy drips, contamination, and costly engine damage if left unchecked. The JAMES GASKET XL 25263-90-X is a...

A leaking transmission top cover gasket doesn't just cost you fluid—it compromises your Big Twin's reliability and invites contamination into critical components. The OEM gasket degrades over time, and JAMES GASKET's U.S.-manufactured replacement...

A failing trans bearing cover gasket can lead to fluid seepage, contamination, and premature bearing wear—ultimately compromising your transmission's reliability and performance. JAMES Gasket's OEM-grade replacement ensures a proper seal, eliminating...

A worn or damaged transmission bearing cover gasket will leak fluid and compromise your gearbox's integrity under racing conditions. The JAMES GASKET Trans Bearing Cover Gasket for 6-speed transmissions delivers a permanent seal with its advanced Foamet®...

A worn or damaged clutch release cover gasket compromises your transmission's seal integrity, risking fluid leakage and premature wear on internal components. This JAMES GASKET replacement ensures a factory-spec seal that keeps your 6-speed transmission...

A failing clutch cover gasket leads to oil weeping, potential internal contamination, and costly engine damage. The JAMES GASKET Clutch Cover Gasket delivers a precision seal engineered for 6-speed transmissions, eliminating leaks while maintaining...

A cam change demands precision sealing—one compromised gasket or O-ring will cost you hours of troubleshooting and potential engine damage down the road. The JAMES GASKET Cam Cover Gasket Kit eliminates guesswork by bundling every seal you need in a...

A cam change demands precision—and every gasket, seal, and O-ring in your assembly must perform flawlessly to prevent oil leakage and maintain proper valve train integrity. The JAMES GASKET Cam Cover Gasket Kit eliminates the guesswork by bundling all...

A compromised primary cover gasket leads to oil seepage, contamination, and potential engine damage—problems that derail both track days and daily driving. The JAMES GASKET Primary Cover Gasket Kit delivers OEM-equivalent sealing performance with...

A compromised O-ring ridge on your Big Twin engine can quickly escalate into costly internal damage and oil seepage issues. The JAMES GASKET Crankcase Saver Kit is engineered to restore the sealing integrity of your crankcase when the original ridge has...

A damaged or bent O-ring ridge compromises your crankcase seal integrity, leading to oil leaks and potential engine damage. The JAMES GASKET Crankcase Saver Kit restores proper sealing surface geometry, allowing you to maintain a reliable gasket fit...

A proper base gasket is critical for maintaining a reliable seal between your engine cases, and James Gasket's .016" thickness strikes the ideal balance between sealing integrity and minimizing compression ratio loss. This OEM-quality gasket eliminates...

A properly sealed cylinder base is non-negotiable for reliable engine performance and longevity. The JAMES GASKET Base Gasket eliminates guesswork with precision engineering and a .01" thickness engineered to handle the pressures of high-performance...

A complete engine rebuild demands precision gaskets and seals that won't fail under load. The JAMES GASKET Motor Gasket Kit supplies everything you need to restore proper compression, eliminate oil weeping, and ensure reliable engine performance. Built...

A complete engine rebuild demands gasket integrity that won't compromise under pressure or temperature cycling. This JAMES GASKET Motor Gasket Kit supplies all the critical sealing components—gaskets, oil seals, and o-rings—needed to restore factory-spec...

A proper top-end rebuild demands precision gaskets and seals that won't fail under combustion pressures. The JAMES GASKET Top End Gasket Kit supplies all the critical sealing components you need to restore compression integrity and eliminate oil weeping...