PWC44-007Wheel Spacer 1 2" Thick5 x 5 1 2" (Floater Type) Bolt Pattern PWC44 007 C44 007 The Pro Werks billet aluminum wheel spacers are precision CNC machined for proper fit and parallelism. This is a more accurate means of production than competitor's mass produced die cut, laser or water jet methods. It takes a little more to make them correctly but we think you will appreciate getting a great product for your hard earned dollar.