Our ALLOY wheels are parts compatible Going INSTALLATION in accordance with the dimensions provided in approval of the vehicle . On the product package and / or certificate of conformity are the serial number of the wheel to be used for the ' Activation of the Guarantee and validate the ' buying an authentic product WSP Italy , approved and safe . Make the registration within 15 days of purchase of the product , will make faith the title of purchase . Installations different from The provisions in approval They invalidate the Warranty .