Engine
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Secure valve stem designed for reliable sealing and straightforward installation.
High-quality, fuel-resistant cover seal engineered for long-term reliability. Made in the USA.
Durable Bolt-In Valve Stem with metal bottom and rubber seal for optimal performance.
Computer-designed cam set made from alloy steel billets with heat-treated finish; made in the USA. Installer must verify clearances prior to installation.
Computer-designed alloy steel cam set, heat treated and made in the USA. Installer must verify coil bind and valve clearances.
Upgrades '99-'06 Twin Cam engines (except '06 Dyna Glide) to roller-style cam chains and replaces spring-tension adjusters with hydraulic adjusters. Requires '07-'17 cam plate, oil pump, cam sprockets, chains and both hydraulic adjusters (sold separately). Made in the USA.
Coloured 90° tyre valves that replace original valves for easier pressure checks and added style.
34-tooth roller conversion cam sprocket for Twin Cam conversion chain-driven cams. Trigger ring required for 1999–2001 engines; 2002–2006 engines compatible with stock rear cam drive sprocket. Made in USA.
Resists sealant build-up to prevent clogging, oversize stem for high-volume flow, and a removable two-piece valve for easy cleaning. Short and long stem fitments available.