Harley Crankcases and Parts

EASTERN MOTORCYCLE PARTS Bearing Spacers 5 pack A-9131High-quality OEM replacement components, Made in the U.S.A.

EASTERN MOTORCYCLE PARTS Bearing Spacers 5 pack A-9132High-quality OEM replacement components, Made in the U.S.A.

EASTERN MOTORCYCLE PARTS Bearing Spacers 5 pack A-9133High-quality OEM replacement components, Made in the U.S.A.

EASTERN MOTORCYCLE PARTS Bearing Spacers 5 pack A-9134High-quality OEM replacement components, Made in the U.S.A.

EASTERN MOTORCYCLE PARTS Dowel Pins V13-205Replacement dowel pins

EASTERN MOTORCYCLE PARTS Dowel Pins V-13-210Replacement dowel pins

EASTERN MOTORCYCLE PARTS Dowel Pins A-24754-75AReplacement dowel pins

EASTERN MOTORCYCLE PARTS Clutch Hub Bearing Rollers A-9540AHigh-quality OEM replacement components

EASTERN MOTORCYCLE PARTS Engine Sprocket Nut A-24003-55Motor sprocket nut for belt-drive conversions and/or eliminating compensating sprockets, Made in the U.S.A.

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bushing A-24621-40Standard size, Made in the U.S.A.

DRAG SPECIALTIES Crankcase Filter with Mounting Base 35-0312-BC299One-piece crankcase filter assembly comes complete with filter clamp and a chrome, die-cast mounting base and accepts a 3/8" i.d. hose, Replacement filters sold separately

DRAG SPECIALTIES Crankcase Vent Replacement Filter 35-0312A-BC142Replacement filters sold separately

DRAG SPECIALTIES Crankcase Vent Replacement Filter 35-0313-BC104Replacement filters sold separately

DRAG SPECIALTIES Crankcase Vent Replacement Filter 35-0319-BC142Replacement filters sold separately

S&S CYCLE REED VALVE, 93-99 STD 31-2096New-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the crankcase becomes greater than pressure in the cam chest, and close when...

S&S CYCLE REED VALVE, 84-99 +.030 31-2100New-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the crankcase becomes greater than pressure in the cam chest, and close when...

S&S CYCLE Engine Case Twin Cam 310-0369Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI), Feature greater overall strength than stock crankcases, Strong, dependable Timken®-style sprocket shaft bearings, Clearanced for...

S&S CYCLE Super Stock™ Engine Case 31-0055Cast from A356 T-6 heat-treated aluminum alloy, Machined to accept an oil filter assembly that mounts on the front of stock motor cases, All races are line-honed and breather cavity is precision-machined to...

S&S CYCLE Super Stock™ Engine Case 31-0078Cast from A356 T-6 heat-treated aluminum alloy, Machined to accept an oil filter assembly that mounts on the front of stock motor cases, All races are line-honed and breather cavity is precision-machined to...

S&S CYCLE Crankcase Black 310-0878Stock or 4-1/8" bore crankcases to be used as a foundation for a custom engine or replacement for T111, T124, or T143, Stock looking, but stronger; thicker wall sections and superior 356-T6 aircraft grade aluminum, Tough...