UPP is one of the world's premier manufacturers of polyurethane products. If you are looking for a world class polyurethane part for your Atv, Motocross, UTV, then UPP is your solution. UPP manufacturers polyurethane ATV Engine Case Savers, Chain Rollers, Intake manifolds, Chain Sliders, A-Arm Bushings, Carburator boots, etc.