Performance Trends is one of the largest producers of high quality, high tech computer tools for todays racer, engine builder or performance enthusiast. Their product line now  includes over 20 engine building and racing computer programs.  Racecar Engineering™ is proud to distribute and support the entire Performance Trends™ product line.  Shop here online now for the most popular items from Performance Trends™.  Always remember, if you don't find what you need on here our website, we'll gladly special order the item for you directly from the factory.  Please contact our Technical Sales staff for complete information.