Specializing in ATC/ATV/Motorcycle/UTV Engine Rebuilding/Repair & Performance Parts. **Celebrating our 40th Year!
Complete ATC/ATV/Motorcycle/UTV Engine Rebuilding 2 Stroke & 4 Stroke Porting, Serdi Valve Seat Machining, Cylinder Boring/Resleeving, Crankshaft Rebuilds High Performance Engine Kits; 2 Stroke & 4 Stroke Dyno Tuning And Testing You ship us your parts - We do the modifications We ship it back to you! Fat Boy 4 Exhausts, Fat Boy 2 Silencers, Paul Turner Pipes, PC 2000 Cylinders, PC 4000 Cylinders, Powerheads and Pyramid Reed Valves are all proprietary products of Duncan Racing International, Inc.