Active filters
High-flow crankcase screen that traps debris without restricting oil pressure.
Pack of 5 crankcase oil screens. Durable mesh construction for reliable debris capture. Easy to install during oil changes.
Ready for high-power M8 builds; accepts cylinders up to 4 1/2", with machined oil scraper, large sump and 4.695" spigot bore. No frame modifications required.
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
Complete camshaft kit with Reaper® cam, Racer Series hydraulic lifters (0.200" travel), gasket/o-ring kit, ARP® fasteners, and cam install kit. Made in the USA. Not for '23-'24 121" VVT models.
Heavy-duty full-complement inner cam bearing for performance engines. Manufactured by Koyo® Torrington®. Made in the USA.
Quieter, smoother engine operation; higher oil pressure and cooler temps; full 0.200 travel hydraulic lifters. Includes pump, camplate, camshaft, lifters, pushrods and hardware.
Includes tapered shaft, nut and keys. For use with standard diameter bearing. Fits S&S® SE or SL flywheels only. Made in the USA.
OEM bushing for cam support plate and cover. Made in the USA.
Complete Race Series® camchest kit with full-travel hydraulic roller lifters. Quieter operation, higher oil pressure, cooler engine and oil temps. Made in the USA. Not for '23-'24 121" VVT.