Automotive enthusiasts, I was hesitant to upgrade my motorcycle engine, but this cylinder sportrax totally impressed me. After I put it to the test, the performance was top-notch, and it added a noticeable boost in acceleration and horsepower .Installation was straightforward and hassle-free, and with the option to ship it quickly, my bike was up and running in no time. The only downside is the price, but you truly get what you pay for with this top-of-the-line upgrade..See full review