We have one of these instock in our warehouse that is brand new. BBR Motorsports, Inc started in the Brown Brothers' Parents' garage around 1996 with the simple goal of making cool motorcycle parts. BBR has come a long way, from building XR100 swingarms in their parents' garage, to becoming the winningest company in the history of the MinMoto SX. Over the years, BBR has been consulted by OEM motorcycle manufacturers, aftermarket motorcycle parts companies, bicycle manufacturers, tech publications, and even CAD/CAM software developers. BBR custom motorcycles and performance parts have been featured in hundreds of publications around the world. Based in Enumclaw WA, BBR Motorsports continues to design and produce quality, high performance products for off-road playbikes. BBR Products can be purchased directly or through your local dealer. Dealers can purchase BBR products through the premier wholesale powersports distributors in the United States. High quality bore kit that shows substantial power gains throughout the RPM range. Features: All new design Brand new high quality BBR aluminum cylinder