Since 1975, ProX Racing Parts specializes in high quality, affordable internal engine components such as pistons, connecting rods, crankshafts and valves. Their headquarters in the Netherlands and warehouse in the USA distributes their products to a global customer base in over 70 countries. ProX is continuously expanding its range and stocks well over 8,000 part numbers divided over more than 60 different product groups. All parts are manufactured to highest quality standards at “state of the art” manufacturing facilities around the world and include reputable businesses that manufacture OEM (Original Equipment Manufacturing) parts for leading motorcycle brands worldwide.