Engine
Active filters
Transparent cam cover that matches Assault series air cleaners and allows internal inspection. Made in the USA.
Transparent cover for viewing internal engine components. Matches the Assault series air cleaners. Made in the USA.
Transparent cover for viewing internal engine components; matches Assault series air cleaners. Made in the USA.
Complete replacement set includes top and second compression rings plus three-piece oil control rings; restores sealing and oil control for two pistons.
Complete replacement ring set with top and second compression rings plus three-piece oil control rings. Restores compression, controls oil, and improves oil economy. Includes enough rings for two pistons. Made in the USA.
Complete set of top, second, and three-piece oil control rings for two pistons. Barrel face top rings and Napier second rings provide improved sealing and heat transfer; three-piece Flex Vent oil rings ensure positive oil control. Made in the USA.
Complete replacement ring set for two pistons with PVD coating and three-piece oil control rings.
Complete replacement set with top, second, and three-piece oil control rings; PVD coating on top rings; includes rings for two pistons.
Complete replacement set with PVD-coated barrel face top rings, Napier second rings, and three-piece oil control for improved sealing and oil economy.
Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.
Plug and plug kits for various Harley‑Davidson oil systems; includes washers or O‑rings as required. Made in the U.S.A.
Heat-treated, plated adjuster bolts with included chrome lock nuts. Made in the USA.
Durable button-head Allen drain screws with copper compression washers for fork sliders.
Stem bolt with washer; complete hardware kit, made in the U.S.A.
Complete mounting kit for rotors, sprockets and belt drives; includes all required hardware for installation.
Three screws to mount S&S air cleaner covers. Made in the U.S.A.