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Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 1992 - 2002 Honda CR 80R1996 - 2002 Honda CR 80RB

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 2006 - 2013 Kawasaki KX 100

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 2000 - 2005 Kawasaki KX 652003 - 2005 Suzuki RM 65

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 2002 - 2004 Yamaha YZ 125

2002 - 2007 Honda CR 250R

1995 - 2005 Kawasaki KX 100, 1991 - 2000 Kawasaki KX 80, 2001 - 2005 Kawasaki KX 85, 2003 Suzuki RM 100

The first and only asymmetrical piston for 250cc and 450cc applications!100% fully machined billet pistonDyno proven power gainsExclusive custom lapped top ring and matching precision machined ring groove provide improved ring seal and break-inArmorGlide...

Stage 2: Dual cam engine. Intake and exhaust cams sold separately. Excellent top-end power increase and good over rev. Cam includes auto-decompression mechanism. Uses stock valve springs.

Stage 1: single-cam motor.Stage 1 has improved power at all RPMs over OEM. Performs well with stock air box lid and exhaust.Uses stock valve springs and rockers. Uses stock auto-decompression mechanism.

Stage 1: Dual cam engine.Intake and exhaust cams sold separately.No bottom-end loss with strong mid-range to top-end gains.Cam uses stock auto-decompression mechanism.Uses stock valve springs.

Stage 1: Dual cam engine.Intake and exhaust cams sold separately.No bottom-end loss with strong mid-range to top-end gains.Cam uses stock auto-decompression mechanism.Uses stock valve springs.

Stage 1 ITR: Dual cam engineIntake and exhaust cams sold separatelyExcellent low end to midrange gainsUses stock valve springs