Engine
Active filters
Angled stem provides clear access on dual-disc wheels and simplifies inflation. Eliminates wrestling the air chuck between the brake discs. Lightweight construction reduces rotating weight. Compatible with most tubeless rims.
Right-angle valve stem for easy inflation on dual disc wheels. Compatible with most tubeless rims. Lightweight construction.
Directs air through a side scoop to cool cylinder heads; includes a high-powered waterproof fan, temperature switch (activates at 140°F), manual override, wiring and hardware. Plug-and-play installation with no drilling. Not for "Twin Cooled" models.
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
Quality pinion shaft bushing manufactured in the U.S.A. Precision fit for reliable performance.
High-precision wrist pin bushing machined to tight concentricity tolerances with a lead-in edge for easy installation.
Precision-machined wrist pin bushings hold concentricity to less than .0002" and feature a lead-in edge for easy installation. Made in the U.S.A.
Drop-in beehive valve springs that increase rpm capability and avoid rocker box clearance issues.