BBR Clutch Springs - CRF50 Finishing Touches Increased the skirt height and

Increased the skirt height and size on the lightweight high compression 64mm piston with rings

Sprocket bolts included

Lightweight high compression domed 64mm piston with rings

The kit includes an all aluminum ceramic plated 64mm cylinder which will increase your engine displacement to 165cc

TB Headlight and Bucket Kit – CT70 HKO & Other Models

BBR Clutch Springs - CRF50 Finishing Touches Increased the skirt height andCRF XR50 Clutch Springs Heavy duty springs help prevent clutch slippage in high performance CRF XR50 motors. Custom wound from chrome silicon wire Preset for long life Higher spring seat pressure to resist clutch slippage A "Must Have" for big bore CRF XR50s