ALL ENGINE

Valve Guide Seals - For 7.00 mm Valve Stem - 88" / 96" / 103" Twin Cam / XL High-quality Viton® valve guide seals Designed to handle high engine t...

Inner Cam Bearing - XL Bearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance engines Manufa...

Valve Locks - Standard Replacement - Buell / Twin Cam / XL Secures an engine's valve retainer to the valve stem, preventing the valve from droppin...

Endurance Beehive® Valve Springs with Titanium Retainers - For 5/16" Valve Stem - Evolution Big Twin / Twin Cam / XL Machined from premium-grade h...

Endurance Beehive® Valve Springs with Titanium Retainers - For 7.00 mm Valve Stem - 88" / 96" / 103" Twin Cam / XL / XR1200 Machined from premium-...

Valve Spring Kit - High Load Beehive® with TI Retainers - Evo / Twin Cam / XL / Buell Made from premium stress-relieved conical ovate wire with ni...

Valve Spring Kit - High Load Beehive® with TI Retainers - Twin Cam / XL / XR Made from premium stress-relieved conical ovate wire with nitrided su...

HP+® Hydraulic Lifters - Hydraulic Roller - Standard OD - XL / Buell Performance hydraulic roller lifters dyno developed and track tested CNC-mach...

Race Series® Solid Lifters - Twin Cam / M8 / XL / XR 1200 / Buell Designed for engines with radical valve spring pressures and large lift camshaft...

Fastener Kit - External Primary / Transmission - 12-Point - XL Tensile strength rated @ 170,000 psi - superior & stronger than OEM & stron...

Dress Up Chassis / Trim Fastener Kit - 12-Point - XL Kit includes front caliper mount, fork clamps, rear fender struts, rear brake rotor, rear bra...

Fastener Kit - External Engine - 12-Point - XL Features precision-rolled threads for optimum engagement, to prevent galling and promote more consi...

Fastener Kit - External Engine - 12-Point - XL Features precision-rolled threads for optimum engagement, to prevent galling and promote more cons...

Fastener Kit - External Primary / Transmission - 12-Point - XL Tensile strength rated @ 170,000 psi - superior & stronger than OEM & stron...

Fastener Kit - Chassis / Trim - 12-Point / Dress-Up - XL Chassis and trim 12-point bolt kit; includes: front caliper, front rotor, fork clamps, re...

Features Tested on the dyno, street and track before being offered to the public Bolt in cams that provide excellent torque with stock or ported h...

Reaper Camshaft - 580 Series - Buell / XL (except RH Sportster) Designed for riders who want more horsepower and the powerband higher in the RPM r...

Lifters - Hydraulic Roller - Standard OD - M8 / Twin Cam / XL / XR1200 / Buell Performance hydraulic roller lifters dyno developed and track teste...

Reaper Camshafts - 505/515 - Buell / XL Produce a wide powerband in stock engines Split lift camshaft produces a solid powerband with top fuel sou...