3.5" stock bore alternator-style engine case; fits up to 5" stroke. Machined for EFI and includes complete hardware kit. Made in the USA.
Replacement pinion and oil pump drive keys for standard bearing diameter. Sizes: .188" x .469" (PART# 0920-0129); .125" x .375" x .374" (PART# 0920-0130).
Stops oil carryover from Twin Cam "A" motors with stock oil pump. Easy to install during cam or oil-pump service. Not for use with Feuling pumps. Made in the USA.
Replacement Twin Cam "A" engine cases for stock H-D chassis. Greater strength than stock crankcases; Timken®-style sprocket shaft bearings; O-ring sealed passages. Compatible with most stock components. Includes S&S crankcase breather reed valve. Made in the USA. Professional installation required.
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.
Includes tapered shaft, nut and keys. For use with standard diameter bearing. Fits S&S® SE or SL flywheels only. Made in the USA.
Three-piece assembled flywheels; no motor case modification required. Fuel-injected motors need recalibration. Professional installation recommended.
High-strength forged-steel flywheel assembly with keyed 6° large-diameter tapered sprocket shaft; fully assembled and balanced. Includes flywheel, crankpin, and connecting rods.
Direct-fit inner cam bearing designed to provide reliable camshaft support and service life.