Boyesen: High performance motorcycle aftermarket engine products. Accurate Engineering: Custom engine builders of V-Twin motorcycles; includes performance modifications, restorations and machining. Wiseco: Manufacturer of high performance and racing motorcycle pistons. Wide Open Products: Manufacturer of high performance carburetors for Harley-Davidsons, off-road motorcycles and snowmobiles. Includes production and prototype machining services. Tucker Motorcycle Supply: Offers motorcycle products, including piston kits, gaskets and exhaust. Located in Grapevine, Texas. Translogic Systems: Supplier of electronic transmissions for motorcycles. Spyces Motorsports: Wholesale automotive accessories, customized sport bikes, and car accessories. Quickshifter: Allows full throttle up-shifts to improve acceleration on any motorcycle
Quick Shifter: Quickshifter and gear display kits for motorcycles and shifter karts. Also Motorsport Ports and technology, and dyno tuning. Perf-form Oil Filters: Manufacturer of motorcycle oil filters. Micron Performance Exhaust: Highly polished aluminum, and super light aerospace grade carbon fiber race canisters. Mape: Designs and produces crankshafts and connecting rods for 2 and 4 stroke engines, 1 or more cylinders.
