Replacement Piston and Rings - 186cc/66mm Big Bore Kit - KLX140/L/G hub *CUSTOMIZED VALVING AND SPRING RATE

*CUSTOMIZED VALVING AND SPRING RATE

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

• Converts 203mm Post Mount Forks to Use 220mm Rotors

This oil cooler mounts to the intake manifold for clean and nice looking fit

Lightweight Design

Replacement Piston and Rings - 186cc/66mm Big Bore Kit - KLX140/L/G hub *CUSTOMIZED VALVING AND SPRING RATEReplacement 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.