Dirt Bike

Stage 2: single-cam motor. More top-end power than Stage 1 with midrange gain. Uses stock valve springs and rockers. *Does not use 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 ITR: Dual cam engineIntake and exhaust cams sold separatelyExcellent low end to midrange gainsUses stock valve springs

Performance Clutch Kits take the clutch pack kits one step further by including a Wiseco forged clutch basket and new rubber cushionsWiseco forged baskets are tougher and stronger than stock, and achieve higher fatigue properties than any other clutch on...

New replacement cylinder headInclude cam caps and cam cap boltsInclude C630 (nickel/ aluminum/ bronze) valve seats and guidesCompetition valve jobShortened valve guides to accept higher lift camsUnshrouded combustion chamberBlended bowl seat to portStock...

LIGHTWEIGHT RACING VALVE SPRING KITS• Kibblewhite uses only the highest quality materials for the valve springs and are precisely machined for the best possible fit and durability for your motorcycle or ATV.• Kibblewhite valve springs come complete with...

LIGHTWEIGHT RACING VALVE SPRING KITS• Kibblewhite uses only the highest quality materials for the valve springs and are precisely machined for the best possible fit and durability for your motorcycle or ATV.• Kibblewhite valve springs come complete with...

Includes crankshaft, main bearings, complete bottom end gasket set, including all seals and gaskets needed for the jobThe crank pin bearings are manufactured from the highest quality hot rolled steel. Case hardened to 58-62CThe caged needle roller...

Includes crankshaft, main bearings, complete bottom end gasket set, including all seals and gaskets needed for the jobThe crank pin bearings are manufactured from the highest quality hot rolled steel. Case hardened to 58-62CThe caged needle roller...

HOT RODS CRANKSHAFTSHot Rods crankshafts are regarded as the premier alternative to costly manufacturer cranks. But, in addition to being a cost effective alternative, Hot Rods crankshafts also bring a level of uncompromising quality, design and...

HOT RODS CRANKSHAFTSHot Rods crankshafts are regarded as the premier alternative to costly manufacturer cranks. But, in addition to being a cost effective alternative, Hot Rods crankshafts also bring a level of uncompromising quality, design and...

HOT RODS CRANKSHAFTSHot Rods crankshafts are regarded as the premier alternative to costly manufacturer cranks. But, in addition to being a cost effective alternative, Hot Rods crankshafts also bring a level of uncompromising quality, design and...