5x4.75 / 5x120.7 to 5x108 / 5x4.25 US Wheel Adapters 1" Thick 1/2x20 Studs x 4 GMC The black bolts that hold

The black bolts that hold the two pieces together should be torqued to 60 to 65 foot-pounds and I also recommend using blue removable Loctite on these bolts

Thickness  =  20mm

5x110 to 5x100 USA Made 19mm 3/4" Wheel Adapters 12x1

Part #  =  USA-5120-5115A9-74

Vehicle Bolt Pattern = 6x132

5x4.75 / 5x120.7 to 5x108 / 5x4.25 US Wheel Adapters 1" Thick 1/2x20 Studs x 4 GMC The black bolts that hold5x4. 75 5x120. 7 to 5x108 5x4. 25 US Wheel Adapters 1" Thick 1 2x20 Studs x 4 5x4. 75 to 5x108 5x4. 25 Wheel Adapters 1" Thick 1 2x20 Lug Spacers x 4 Rims NOTICE!! This is a built to order item listed as No Return. Disregard any mention of return later in this listing. If you buy the wrong item for whatever reason, you wreck your car, your wheels get stolen, someone told you the wrong measurement, bought 2 thinking it was 4, found a better price