Crankcases and Parts

TRASK Breather Kit Big Twin DM-1999Machined T-6061 billet aluminum construction, Helps oil drain more efficiently into the rocker, Reduces oil misting coming from the engine breathers, Made in the U.S.A.

COLONY Acorn Front Belt Drive Pulley Nut 7816-1Chrome front pulley nut for open primary belt drive applications, Made in the U.S.A.

FEULING OIL PUMP CORP. Support Plate Twin Cam 8000Feuling® HIGH FLOW cam plates for T/C® engines increase engine oil flow and volume by enlarging the oil pump reservoirs and critical oil passages, including matching the oil port holes throughout the cam...

EASTERN MOTORCYCLE PARTS Crankpin Nut/Lock Kit A-23966-78Includes nuts, locks, and screws, Made in the U.S.A.

EASTERN MOTORCYCLE PARTS Flywheel Thrust Washer Set 11 pack A-24100-SETSet includes flywheel thrust washers in 11 different thicknesses, ranging from .060" to .102", Made in the U.S.A.

EMGO Crankcase Filter Kit 14-20910High-quality crankcase breathers and filters from Emgo

EMGO Replacement Filter Chrome 14-20905For use only with crankcase vent filter

EMGO Crankcase Filter Kit 14-20900High-quality crankcase breathers and filters from Emgo

JIMS Crankcase Bushing 24599-40360° oiling, Made in the U.S.A.

JIMS Pinion Gear Shaft Big Twin 24006-54AMade in the U.S.A.

JIMS Pinion Shaft Big Twin 24006-87All ground diameters are concentric to within .0003" to simplify flywheel trueing and rebuilding, Constructed of only domestic steel, Made in the U.S.A.

JIMS Pinion Gear Shaft Big Twin 24007-39Made in the U.S.A.

JIMS Crank Pin XL 23960-54Quality replacement that equals or exceeds OEM specifications, Made in the U.S.A.

JIMS Bolt Case Big Bore Twin Cam 1457Prevents center right case bolt thread from becoming compromised from larger cylinder spigot bore diameter, Tool is needed to spot face the right case so bolt head will seat flat on case surface, Center-through bolt...

JIMS Piston Oiling Jet Kit 1905Modified to handle upgraded stroker flywheels stroke, Works with all stock and high-performance flywheel assemblies, Made in the U.S.A.

JIMS Pinion Gear Shaft 24006-58Made in the U.S.A.

JIMS Pinion Gear Shaft 24006-73Made in the U.S.A.

JIMS Sprocket Shaft 1930-1954 24001-30Made in the U.S.A.

JIMS Crankcase Bushing Big Twin 24599-58B360° oiling, Made in the U.S.A.

JIMS Right-Side Crankcase Bearing Race 24585-57Available in standard, Made in the U.S.A.