Replacement Piston and Rings - 186cc/66mm Big Bore Kit - KLX140/L/G hub Lightweight Design

Lightweight Design

The U-Flow delivers a high volume of air to your carburetor resulting in sharper throttle response

This new cylinder along with a complete head gasket kit and domed piston set this kit apart from other similarly priced 143 kits on the market

● 2” longer wire for those running high bar mounts with taller bars

Replacement Piston and Rings - 186cc/66mm Big Bore Kit - KLX140/L/G hub Lightweight DesignReplacement Piston and Rings for the BRT 186cc 66mm Big Bore Kit KLX140 L G High Compression Forged Piston This is a brand new 66mm forged piston used on the BRT big bore kits for KLX140 L G 2008 Current Includes: Wrist Pin Rings Clips and 66mm FORGED piston Piston pin is 14mm We also have performance CDI's to increase rpm limiter, bigger carburetors, high compression piston kits, racing exhausts, custom stroker crankshaft, etc.