Fully assembled cylinder head kit with 2.000" intake and 1.605" exhaust valves; compatible with 3-1/2" or 3-5/8" bores. Pistons and intake manifold sold separately.
Protective replacement solenoid covers for electronic and manual release kits; sold individually.
Precise .574" x 1.450" x .030" valve spring shim for accurate valve clearance; made in the USA.
Replacement nut for bullet-style rocker covers on Shovelhead engines. 5/16" HFH.
- Precision-machined billet construction with square sealing surfaces.
- Longer exit nipples with dual O-rings for improved sealing.
- Optimized inlet sizing and placement for efficient engine breathing.
- Five internal drain ports for controlled drainage and splash resistance.
Complete upgrade includes cylinders, pistons, rings and gaskets. Made in USA. Professional installation required.
Big Bore cylinder kit that delivers strong gains using stock heads. Includes cylinders, pistons, rings and gaskets. Requires a skilled technician for assembly and clearance checks.
OEM black textured powder-coat with highlighted fins; excellent for stock replacement.
S&S kit with forged pistons, rings, wrist pins, and gaskets. Made in the U.S.A.
Direct-fit big bore kit for improved displacement and performance. Includes cylinders, pistons, rings and gaskets. Professional installation required.