GMC K2500

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

Year	Submodel	Pattern (Metric)	Pattern (Std)
2000	6-Lug Wheels	6-139.7mm	6x5.5
1999	6-Lug Wheels	6-139.7mm	6x5.5
1998	4wd Pick-up	6-139.7mm	6x5.5
1997	4wd Pick-up	6-139.7mm	6x5.5
1996	4wd Pick-up	6-139.7mm	6x5.5
1995	4wd Pick-up	6-139.7mm	6x5.5
1994	4wd Pick-up	6-139.7mm	6x5.5
1993	4wd Pick-up	8-165.1mm	8x6.5
1993	6-Lug Wheels	6-139.7mm	6x5.5
1992	4wd Pick-up	8-165.1mm	8x6.5
1992	6-Lug Wheels	6-139.7mm	6x5.5
1991	4wd Pick-up	8-165.1mm	8x6.5
1991	6-Lug Wheels	6-139.7mm	6x5.5
1990	4wd Pick-up	8-165.1mm	8x6.5
1990	6-Lug Wheels	6-139.7mm	6x5.5
1989	4wd Pick-up	8-165.1mm	8x6.5
1989	6-Lug Wheels	6-139.7mm	6x5.5
1989	V2500 4wd Pick-up	8-165.1mm	8x6.5
1988	4wd Pick-up	8-165.1mm	8x6.5
1988	6-Lug Wheels	6-139.7mm	6x5.5
1988	V20 4wd Pick-up	8-165.1mm	8x6.5
1987	4wd Pick-up	8-165.1mm	8x6.5
1987	V20 4wd Pick-up	8-165.1mm	8x6.5
1986	4wd Pick-up	8-165.1mm	8x6.5
1985	4wd Pick-up	8-165.1mm	8x6.5
1984	4wd Pick-up	8-165.1mm	8x6.5
1983	4wd Pick-up	8-165.1mm	8x6.5
1982	4wd Pick-up	8-165.1mm	8x6.5
1981	4wd Pick-up	8-165.1mm	8x6.5
1980	4wd Pick-up	8-165.1mm	8x6.5
1979	4wd Pick-up	8-165.1mm	8x6.5

Fitment Notes

The GMC K2500 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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