Cylinder Heads & Valvetrain

Valve Spring Seat Shims -  - Big Twin / Twin Cam / XL / Buell Set valve spring open height to match camshaft lifts for optimum valve-train stabili...

Rocker Shaft Shims - M8 Quiet your engine by tightening the rocker arm to cylinder head end play clearance Feuling recommends an ideal side cleara...

Viton® Valve Guide Seals - For 0.420" Guide - 5/16" Valve Stem - Twin Cam / XL High-quality Viton® valve guide seals Designed to handle high engin...

Valve Locks - Offset 0.050" - Twin Cam Secures an engine's valve retainer to the valve stem, preventing the valve from dropping in the cylinder an...

Valve Spring Kit - Endurance Beehive with TI Retainers - Twin Cam with SE Heads FEULING® BEEHIVE® valve springs use a much smaller and lighter wei...

Valve Spring Kit - Steel Retainers - For 7.00 mm Valve Stem - EVO / Twin Cam Made from heat treated chromoly conical ovate wire Hand measured and ...

Valve Spring Kit - Steel Retainers - For 7.00 mm Valve Stem - Twin Cam Made from heat treated chromoly conical ovate wire Hand measured and labele...

Valve Spring Kit - High Load Beehive® with TI Retainers - Twin Cam with SE Heads Made from premium stress-relieved conical ovate wire with nitride...

Viton® Valve Guide Seals - For 6.00 mm Valve Stem - M8 High-quality Viton® valve guide seals Designed to handle high engine temperatures with a bu...

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...

Valve Guide Seals - For 0.530" Guide - 5/16" Valve Stem - Screamin' Eagle Cylinder Heads High-quality Viton® valve guide seals Designed to handle ...

Valve Guide Seals - For 0.500" Guide - 5/16" Valve Stem High-quality Viton® valve guide seals Designed to handle high engine temperatures with a b...

Valve Locks - 7.00 mm Triple Groove - Twin Cam Secures an engine's valve retainer to the valve stem, preventing the valve from dropping in the cyl...

Econo Beehive® Valve Spring Kit - TI Retainers - For 5/16" Valve Stem - EVO / Twin Cam Made from heat treated chromoly conical ovate wire Hand mea...

Econo Beehive® Valve Spring Kit - TI Retainers - For 5/16" Valve Stem - Twin Cam Made from heat treated chromoly conical ovate wire Hand measured ...

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

Titanium Valve Spring Retainer Kit - -0.050" - M8 Titanium Valve Spring Retainer Kit for M8 models Made in the USA Note: Decreases installed val...

Titanium Valve Spring Retainer Kit - +0.050" - M8 Titanium Valve Spring Retainer Kit for M8 models Made in the USA Note: Increases valve spring ...

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...

Endurance Beehive® Valve Spring Kit - without TI Retainers - M8 Direct bolt-in replacements, no machining or rocker box clearancing required Machi...

Endurance Beehive® Valve Spring Kit - with TI Retainers - M8 Direct bolt-in replacements, no machining or rocker box clearancing required Machined...