Original Factory Spare Parts (OEM) are tested by the factory engineers and have been designed and produced so that the performance and enjoyment that factory vehicles offer day after day remain unchanged over time. It is only by choosing Original Spare Parts that the vehicles of all customers are able to maintain their true value over time, together with the attention to detail with which they are produced: performance and enjoyment are only guaranteed by the perfect harmony of all the parts. That's why there is no substitute for Original Factory Spare Parts.