Crankcases and Parts

EASTERN MOTORCYCLE PARTS Bearing Spacers 5 pack A-9130High-quality OEM replacement components, Made in the U.S.A.

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 Crankcase Breather Valve 31-2070Solves the problem of oil carryover in Twin Cam "A" motors with stock oil pump, Oil carryover is oil that comes out of your breather and all over your bike, Easy-to-install when changing cams or servicing the oil...

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...

Replacement 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 strokes up to and including 5", All passages...