Active filters
- Fits cast iron and aluminum valve-lifter blocks
- Billet bearing metal construction
- Hand fit hydraulic unit, .0002" running fit
- Recommended block clearance .0007"–.0012"
Complete, ready-to-install connecting rod kit engineered for reliable replacement of stock components.
Reduce starting compression with easy-install manual release valves. Drill and tap each cylinder head 10 mm x 1.0 mm. Fits all Big Twin models.
Replacement component for Big Twin models; precision-machined to restore lubrication performance and reduce noise.
High-strength pinion shaft nut designed for secure gear-side installation and long service life.
Precision-made valve lock keys with a 10° lock angle. Heat-treated and made in the U.S.A. Designed for reliable valve keeper service.
Secure support bracket kit for air cleaner; includes all gaskets and mounting hardware. Breather kits sold separately.
Replacement component designed to restore proper engine ventilation. Replacement filters sold separately.
Replacement vent filter for crankcase systems; filters sold separately.
OEM-quality cast aluminum pistons; kits include two pistons, wrist pins, and clips. Accepts OEM or Hastings rings (sold separately).
OEM-quality cast aluminum piston kit; includes two pistons, wrist pins, and clips. Accepts OEM or Hastings rings (sold separately).
Complete top-end piston kit includes pistons, rings, retainer clips, chrome piston pins and an X-Ring package for reliable sealing. Pistons made in the USA.
Complete top-end kit with forged aluminum pistons, X-Ring package, rings, retainer clips and chrome piston pins for reliable performance.
Complete top-end piston kit with X-Ring package and all necessary installation hardware.