New

Namura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian Klingersil and other high tech materials. They provide greater reliability and high performance for todays hard working motor...

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...

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...

FORGED BOTTOM END ADVANTAGEThe foundation of any bottom end rebuild is a solid forged crankshaft assembly, which provides strength and reliability far surpassing any cast part that lacks consistency. Forged crankshafts due to their lighter weight, more...

Cylinders:• Designed to match OEM in appearance and specifications.• Cast from AB4C aluminum with nikasil plated sleeves for excellent wear & durability.• AT-09477 & AT-09478 require no case modification when installing.

Carefully developed for the highest level of qualityUnsurpassed in functionality and reliabilityReady to serve reliably for years to come Top-End Repair Kit (NA-50091-BK) by Namura Technologies Inc.®. Piston size: 92.96 mm. Oversize: +0.01. Quality...

ATV/UTV VALVE SPRING KIT• Created from premium, Japanese spring steel, these springs will allow the trouble-free use of more demanding, higher performance cams• Includes valve springs, base washers, and retainersIncludes valve springs, base washers, and...

All new assembly sold complete with Hot Rods connecting rodFactory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performanceReady for installationCrankshaft is completely rebuildable with genuine Hot Rods...

All new assembly sold complete with Hot Rods connecting rodFactory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performanceReady for installationCrankshaft is completely rebuildable with genuine Hot Rods...

All new assembly sold complete with Hot Rods connecting rodFactory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performanceReady for installationCrankshaft is completely rebuildable with genuine Hot Rods...

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationWhen used in 04-05 model makes true 450cc*Does not fit R or X modelsFor Models:2004 - 2009 Yamaha YFZ 450

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 2004 - 2005 Honda TRX 450ER2004 - 2005 Honda TRX 450R