EDR Performance Yamaha R6 Super Sport REFRESH: core required

The most proven Supersport R6 out there!    The R6 is hands down the most popular all around track bike ever! There is a reason you see so many of them on track.  EDR Performance has built well OVER 250+ R6 engines alone! More than any single shop/builder we know of. With 30+ years of building championship winning engines, Eric Dorn, our founder/engine builder has developed the most powerful and reliable R6 supersport legal build out there! Our Supersport engines are used around the world and won hundreds of championship, numerous national championships and destroyed track records everywhere. Our engines are used in race bikes, track day bikes, street bikes and even mini sprint/dwarf cars.  The EDR R6 Superport Engine package is built on YOUR supplied core/stock engine. if you wish to purchase an outright engine for us to use so you can keep yours, you will have to click the "no core supplied" option for the additional cost of a stock engine to start with, once completed with our su