Dirt Bike

Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kitMOS2 (Teflon/Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include...

There's a reason the AIR4ORCE tunable intake system was named, 2012 Product of the Year, by Transworld Motocross magazine—because it works.The AIR4ORCE provides more horsepower by increasing the volume over a stock airboot and then allows you to tune the...

Stage 2 ITR: Dual cam engineIntake and exhaust cams sold separatelyExcellent midrange to top end gainsUses 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.

Quality materials mean increased longevity and continued performance. A critical aspect of any rebuild, gaskets are often given little thought. However, the right materials can make all the difference.We do all of the thinking, so you don't have to. Our...

OEM-style statorsDirect plug-in stators complete with all rubbers and OEM-style plug end (unless noted)

Increases horsepower and throttle responseInstalls in minutesThird generation technologyNo computer needed to adjust EFIPlug-in technology (Does not interfere with stock ECU map)Integrated faceplate buttons provide easy adjustmentHighly recommended for...

Increases horsepower and throttle responseInstalls in minutesThird generation technologyNo computer needed to adjust EFIPlug-in technology (Does not interfere with stock ECU map)Integrated faceplate buttons provide easy adjustmentHighly recommended for...

Increases horsepower and throttle responseInstalls in minutesThird generation technologyNo computer needed to adjust EFIPlug-in technology (Does not interfere with stock ECU map)Integrated faceplate buttons provide easy adjustmentHighly recommended for...

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...

Forged from lightweight, high strength, certified, aerospace grade, aluminum alloyWisecos CNC machining process produces each component dimensionally the same as the nextWeight-saving relief cuts on outside of clutch reduce rotational mass, allowing...

Forged from high-silicon aluminum alloy for maximum strength and dependability.Innovative forging design and piston skirt provide maximum horsepower and torque.Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless...