New Harley Bike Products

Valve guide wear is one of the most overlooked sources of oil consumption and performance loss in Big Twin engines. The KIBBLEWHITE 20-2064 addresses this directly with precision engineering and material science that simply outlasts OEM guides. If you're...

Kibblewhite valve guides are engineered for precision and longevity in high-performance applications. This cast iron guide maintains tight tolerances under extreme conditions, ensuring consistent valve sealing and optimal combustion efficiency across...

A precision-machined valve guide is the foundation of a reliable, high-flow cylinder head. Whether you're building a high-revving engine or restoring a classic, KIBBLEWHITE's cast iron construction ensures dimensional stability and compatibility with...

Valve guides are critical to maintaining proper valve alignment and controlling oil consumption in high-performance engines. The KIBBLEWHITE Cast Iron Valve Guide delivers precision engineering with the durability required for sustained track use or...

If you're rebuilding a high-revving engine, valve guide wear directly impacts combustion sealing, valve stem clearance, and overall engine longevity. The KIBBLEWHITE 20-2062M manganese bronze valve guides deliver superior heat conductivity while...

A reliable exhaust port gasket is fundamental to maintaining proper cylinder sealing and preventing exhaust leaks that compromise performance and engine longevity. This James Gasket kit provides the complete fastener solution—gaskets paired with...

Exhaust port gaskets are critical sealing components that prevent combustion gases from escaping before they reach your exhaust system—any leak compromises performance and can damage surrounding components. The James Gasket exhaust port graphite gasket...

Exhaust port gaskets are critical sealing components that prevent combustion blowby and exhaust leaks—compromised gaskets lead to power loss, poor engine efficiency, and potential damage to your cooling system. This James Gaskets kit delivers OEM-quality...

Carburetor insulator blocks are critical thermal barriers that prevent heat soak from degrading fuel atomization and engine response. The JAMES GASKET Insulator Block for Keihin 29250-78 carburetors maintains optimal fuel temperature by isolating the...

A worn or damaged accel pump boot compromises fuel delivery precision during throttle transition, directly impacting engine response and drivability. This James Gasket replacement restores OEM-specification performance without sacrificing reliability or...

A carburetor is only as good as its seals. Over time, gaskets and O-rings degrade from fuel exposure and heat cycles, causing lean conditions, fuel leaks, and poor idle quality. The JAMES GASKET Linkert Carb Rebuild Kit gives you every gasket, seal, and...

Seal leaks and restore reliable performance in your Sundance equipment with OEM-compatible replacement O-rings. Neoprene construction ensures consistent compression and durability across thermal cycles, eliminating the downtime of failed seals. Stock...

A properly sealed base gasket is critical to maintaining compression and preventing oil weeping on high-performance engines. The JAMES GASKET Foamet gasket eliminates the guesswork of sealer application, delivering consistent, reliable sealing right out...

A reliable base gasket is foundational to engine integrity—without proper sealing, you're risking oil leaks and compromised cylinder head performance. The JAMES GASKET Base Gasket in Foamet material eliminates the need for additional gasket sealer,...

A leaking primary cover gasket compromises engine sealing and invites contamination into critical drivetrain components. The JAMES GASKET Primary Cover Gasket delivers OEM-equivalent performance with reinforced silicone beading to handle vibration and...

A failing primary cover gasket compromises engine sealing and risks oil leakage onto your drivetrain—a critical issue that demands OEM-quality replacement. The JAMES GASKET Primary Cover Gasket delivers reliable sealing with silicone beading technology,...

Primary cover gasket failures lead to oil seepage, sludge buildup, and accelerated wear on internal components. The JAMES GASKET Primary Cover Gasket delivers OEM-equivalent sealing performance with enhanced durability, keeping your engine bay clean and...

A leaking primary cover gasket compromises engine sealing and invites oil seepage that can damage your bike's appearance and performance. The JAMES GASKET Primary Cover Gasket delivers OEM-equivalent sealing with silicone beading technology, ensuring...

Inspection cover gaskets are often overlooked until they fail—and when they do, oil seepage becomes inevitable. The JAMES GASKET Inspection Cover Gasket (Foamet 60567-90-F) delivers a reliable, OEM-quality seal that prevents leaks and maintains engine...

A leaking rocker cover gasket compromises engine sealing and can lead to oil contamination and performance degradation. The JAMES GASKET XL 17353-04 uses precision elastomer beading and conformal silicone coating to eliminate common gasket failure...