Engine

Complete standard bore kitsComplete standard bore high compression kitsComplete Big Bore KitsIncludes cylinder, piston kit and gasketsTop end gasket kit does not include valve stem sealsMatched with vertex pistons to ensure longevity, performance and...

Includes cylinder, piston kit and gasketsMatched with vertex pistons to ensure longevity, performance and reduce engine noiseReplacement piston, gaskets, and ring sets availableCylinder looks just like stockNickel silicon carbide plated for longer...

BBR 175Cc Big Bore Rings 411-Hcf-1507

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

CNC machined from 6061 T-6 aluminumReplaces the stock plastic plugSealing O-ring includedLaser Engraved WC logoMade in the USA

CNC machined from 6061 T-6 aluminumReplaces the stock plastic plugSealing O-ring includedLaser Engraved WC logoMade in the USA

Wiseco Intake Valve Vis006C

Save $$ over OEM pricingInterchanges directly with OEM parts

Save $$ over OEM pricingInterchanges directly with OEM parts

Kpmi C630 Bronze Exhaust Valve Guide 30-33830

These materials have proven heat and corrosion resistance properties. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Strict attention is paid to the surface preparation of the...

These materials have proven heat and corrosion resistance properties. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Strict attention is paid to the surface preparation of the...