The compatiblity for XD Wheel Center Caps suits 8 Lug Chevys, Fords, and Dodges. Its diameter is outer 131mm(5.16in), inner 121mm(4.76in), clip length 3.5mm(0.14in). The replacement of that is #464K131-2 S604-17center caps.
Chevrolet Wheel Center Caps suit for 2004-2009 Chevrolet Trailblazer/2004-2006 Chevrolet Trailblazer EXT. The basic information of diameter are outer 166.2mm(6.54in), inner 154.6mm(6.09in), clip length 18mm(0.71in). Replacement of Chevrolet Wheel Center Caps are #9594945 #9595108.