State-of-the-art compression release valves that reduce hot starts and lower starter and battery loads. Sold as a set and made in the U.S.A.
Subcategories
Active filters
State-of-the-art design to reduce hot starts and starter/battery loads. Custom molded knobs, sold in pairs, made in the U.S.A.
One-piece hard-anodized billet pressure plate with progressive engagement, multiple spring options, easy bolt-on installation, fits under O.E. primary cover.
Aramid and steel clutch plates provide increased durability and 11% more contact area for improved engagement; made in the U.S.A.
Slimline Duals full system for Touring — CARB & EPA compliant, cooler exhaust routing to reduce heat at the rider and passenger, preinstalled heat shields, and selectable Rinehart or MotoPro45 mufflers.
- Precision-machined outer cover
- 0.25" polycarbonate viewing window
- O-ring sealed; derby gasket included
- Fits '18 Softail narrow-profile primary
Stellite-tipped stainless-steel valve nitrided for improved wear resistance, corrosion protection, and reduced friction.
Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.
High-density powdered metal valve seats for superior wear resistance and thermal stability. Tested for track and street use.
PTFE valve guide seals with twin-spring tension for reduced friction and reliable valve control. Made in USA.
Small pressure bolt for precise pressing action.
Compact replacement parts for quick maintenance and repair.