Active filters
- Interference double-spring design with damper for harmonic control.
- Includes locks, retainers and spring seats.
- Built for severe service and high-compression engines.
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.
Increases spring travel by .060" for improved suspension response. Precision-machined and made in the U.S.A.
Comprehensive valve spring kit for '48-'65 Panheads and many late-model heads. Designed for cams up to 0.550" lift. Made in the USA.
Fits stock springs to add ~0.060" of travel on 1966–1984 74" and 80" motors; eases installation of B or #2 cams; made in the U.S.A.
Precision front engine mount plates for XL models—direct-fit installation and reliable alignment.
Durable one-piece motor mount for reliable engine support. Bolts not included.
Heavy-duty, super-high-tensile alloy construction; reinforced in crack-prone areas; replaces two-bolt and four-bolt top case OEM mounts; fits over studs and starter shaft; made in the U.S.A.
Heavy-duty components, 30% thicker than stock; includes choke/horn brackets and sockethead hardware for select part numbers.
Cast-iron cylinder that meets or exceeds OEM tolerances. Withstands greater pressure and heat than stock components.
OEM-quality cast aluminum replacement pistons; kits include two pistons, wrist pins and clips. Accept OEM or Hastings rings (sold separately).