BBR BIG BORE KIT W/CAM 88CC XR-CRF50 00-10 PART# 411-HXR-5500 NEW

A great combination of power, reliability and easy  installation makes this kit our best seller.  Cylinder retains mounts for easy skid plate installation.  Excellent power gains throughout the RPM range.

• BBR aluminum cylinder
• 52mm flat-top piston, rings, pin, clips
• Exclusive BBR motocross-grind
• Performance manifold and airfilter
• Complete top end gasket set
• 16mm carb kit with throttle and cabnle