Engine

WE RACE ON THE TRACK, NOT THE DYNO! Most camshaft designs are developed only on a dyno. Good camshaft designs not only increase power, they also improve throttle response. However, more power and better throttle response is a difficult design problem...

WE RACE ON THE TRACK, NOT THE DYNO! Most camshaft designs are developed only on a dyno. Good camshaft designs not only increase power, they also improve throttle response. However, more power and better throttle response is a difficult design problem...

WE RACE ON THE TRACK, NOT THE DYNO! Most camshaft designs are developed only on a dyno. Good camshaft designs not only increase power, they also improve throttle response. However, more power and better throttle response is a difficult design problem...

WE RACE ON THE TRACK, NOT THE DYNO! Most camshaft designs are developed only on a dyno. Good camshaft designs not only increase power, they also improve throttle response. However, more power and better throttle response is a difficult design problem...

ForgedPrecision machinedCompatible with OEM keepers and retainersDesigned and manufactured to meet or exceed OEM specs and standards

Race proven worldwideImproves heat dissipationStronger than stockPrecision machined from billet T-6 aircraft quality aluminum to aerospace tolerances

Cylinder looks just like stockNickel silicon carbide plated for longer life

RAISES COMPRESSION FOR BETTER LOW END POWERGRAPHITE GASKETS FEATURE A STEEL CORE, LAMINATED ON BOTH SIDES WITH FLEXIBLE GRAPHITEFIBER GASKETS DESIGNED FOR MAXIMUM SEAL, FLEXIBILITY AND TORQUE RETENTIONO-RING GASKETS MEET OR EXCEED OEM SPECIFICATIONS

Cast from the highest quality aluminumSeals perfectly to keep out dirt and moistureCovers come with gasketsHolds clutch cable more securely (Yamaha YZ models)Give your bike the factory "WORKS" lookCover gaskets may be used with stock or factory covers

Feature Koyo and Nachi precision Japanese crank bearingsThe crankshaft seals feature a carbon/fluorocarbon pad on the seal lip and stainless steel garter springsReduces startup friction enhancing dry start performance and reducing crank pin wear

Feature Koyo and Nachi precision Japanese crank bearingsThe crankshaft seals feature a carbon/fluorocarbon pad on the seal lip and stainless steel garter springsReduces startup friction enhancing dry start performance and reducing crank pin wear

Kit includes replacement outer seal along with any O-rings, snap rings or lock washers required