GMC C2500

8-165.1mm (8x6.5), 6-139.7mm (6x5.5)

Year	Submodel	Pattern (Metric)	Pattern (Std)
2000	Pick-up 2wd	6-139.7mm	6x5.5
1999	Pick-up 2wd	6-139.7mm	6x5.5
1998	8-Lug Wheels	8-165.1mm	8x6.5
1998	Pick-up 2wd	6-139.7mm	6x5.5
1997	8-Lug Wheels	8-165.1mm	8x6.5
1997	Pick-up 2wd	6-139.7mm	6x5.5
1996	8-Lug Wheels	8-165.1mm	8x6.5
1996	Pick-up 2wd	6-139.7mm	6x5.5
1995	8-Lug Wheels	8-165.1mm	8x6.5
1995	Pick-up 2wd	6-139.7mm	6x5.5
1994	8-Lug Wheels	8-165.1mm	8x6.5
1994	Pick-up 2wd	6-139.7mm	6x5.5
1993	8-Lug Wheels	8-165.1mm	8x6.5
1993	Pick-up 2wd	6-139.7mm	6x5.5
1992	8-Lug Wheels	8-165.1mm	8x6.5
1992	Pick-up 2wd	6-139.7mm	6x5.5
1991	8-Lug Wheels	8-165.1mm	8x6.5
1991	Pick-up 2wd	6-139.7mm	6x5.5
1990	8-Lug Wheels	8-165.1mm	8x6.5
1990	Pick-up 2wd	6-139.7mm	6x5.5
1989	8-Lug Wheels	8-165.1mm	8x6.5
1989	Pick-up 2wd	6-139.7mm	6x5.5
1988	8-Lug Wheels	8-165.1mm	8x6.5
1988	Pick-up 2wd	6-139.7mm	6x5.5

Fitment Notes

The GMC C2500 uses a 8-165.1mm (8x6.5) bolt pattern. This is also known as the PCD (Pitch Circle Diameter). When shopping for aftermarket wheels, ensure the center bore matches or is larger than the vehicle's hub. If the wheel bore is larger, hub centric rings are recommended to prevent vibration.

Lug Hardware: Always use the correct lug nuts or lug bolts for your specific vehicle year. Torque them to the manufacturer's specified setting.

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