1307 Products

Used when rebuilding 4043, 4143 or OE crankshafts. Replacement crankshaft main bearing and seal kit. A quality alternative to expensive OEM bearings and seals.

Replacement primary shaft, secondary shaft, and shift drum bearings. A must have for any new transmission or engine case installation or repair.

Replacement primary shaft, secondary shaft, and shift drum bearings. A must have for any new transmission or engine case installation or repair. Includes output shaft collar and washer.

Replacement primary shaft, secondary shaft, and shift drum bearings. A must have for any new transmission or engine case installation or repair. Includes output shaft collar and washer.

Connecting Rod Kit, Utilizes 8606-1 Rod

Complete OEM replacement crankshaft assembly. Factory trued and balanced. Ready to install.

Complete Engine Rebuild Kit

Boxed Bottom End Kit

Connecting Rod Kit

Replacement primary shaft, secondary shaft, and shift drum bearings. A must have for any new transmission or engine case installation or repair. Only fits 2000-2001 models w/ upgraded 2002+ 16mm shift drum!

Complete Engine Rebuild Kit

For repairing a leaking counter shaft seal. Includes Hot Rods countershaft seal, countershaft bushing, o-rings, and sprocket nut washer (where applicable).

For repairing a leaking counter shaft seal. Includes Hot Rods countershaft seal, countershaft bushing, o-rings, and sprocket nut washer (where applicable).

For repairing a leaking counter shaft seal. Includes Hot Rods countershaft seal, countershaft bushing, o-rings, and sprocket nut washer (where applicable).

Bottom End Kit

Stroker Bottom End Kit

Connecting Rod Kit, Utilizes 8139-1 Rod

Crankshaft and Rods Kit

Replacement primary shaft, secondary shaft, and shift drum bearings. A must have for any new transmission or engine case installation or repair.