General Morors ABS Anti-Lock Braking System wheel center caps.Genuine GM,not aftermarket or reproduction.Part/casting numbers from the front of bag GM 09592449 78 04075 B GR.5.858.Snap in design from the outside front of the wheel.About 2 1/2" diameter.Black logo letters on top of silver metal flake finish.Two part construction,unknown alloy metal? on the top crimped over black plastic base with mounting tabs.Exact model and year fit unknown by the seller.Two caps still in original parts bags never mounted.New $50 pair plus $9 s&h USA/48.For over 325 other items for sale click on View Store above.