Accurate Engineering: Custom engine builders of V-Twin motorcycles; includes performance modifications, restorations and machining.
Boyesen: High performance motorcycle aftermarket engine products.
BT-H Rexton Magnetos: Manufacturers of self generating magneto ignition systems and components especially for vintage and classic bikes.
Cometic Gasket: Motorcycle gaskets for on and off road motorcycles.
Earl's: Makers of fuel and oil lines, oil coolers and fuel caps.
Falicon Crankshafts: Specializes in the manufacture and improvement of motorcycle crankshafts and crankshaft related components.
Gasket Gasket.com: OEM replacement engine gaskets for bottom end, top end, and carburetor applications.
Indigo Sports: Motorcycle exhaust, parts and accessories.
JP Pistons: Manufacturers of pistons for vintage, veteran and classic motorcycles.
Magnetic Drain Plug.com: Specializing in oil drain plugs for motorcycles, cars, and trucks. Offers a magnetic design, to pull metal particles from engine oil to increase engine life.
Magnom: Unique magnetic filtration technology removes the super hard particles in oil, responsible for engine/ transmission wear. It filters ferrous debris to a finer degree than any stock oil filter and never needs replacing.
Mape: Designs and produces crankshafts and connecting rods for 2 and 4 stroke engines, 1 or more cylinders.
Micron Performance Exhaust: Highly polished aluminum, and super light aerospace grade carbon fiber race canisters.
Muzzys: Engine Kits, suspension parts, tools, and apparel.
Perf-form Oil Filters: Manufacturer of motorcycle oil filters.
Quick Shifter: Quickshifter and gear display kits for motorcycles and shifter karts. Also Motorsport Ports and technology, and dyno tuning.
Quickshifter: Allows full throttle up-shifts to improve acceleration on any motorcycle.
Translogic Systems: Supplier of electronic transmissions for motorcycles.
Tucker Motorcycle Supply: Offers motorcycle products, including piston kits, gaskets and exhaust. Located in Grapevine, Texas.
Wide Open Products: Manufacturer of high performance carburetors for Harley-Davidsons, off-road motorcycles and snowmobiles. Includes production and prototype machining services.
Wiseco: Manufacturer of high performance and racing motorcycle pistons.