8x165.1 Bolt Pattern Wheels: Fitment Guide

What 8x165.1 Means & What Uses It

8x165.1 means 8 wheel studs or bolts evenly spaced on a 165.1 mm (6.5") circle, written 8x6.5 in inches. In the ANKUSI fitment database it appears on 31 vehicle variants from 7 makes, model years 2002–2027.

Most common makes: Hummer (9), Ram (8), GMC (6), Chevrolet (3), Cadillac (2), Dodge (2), Ford (1).

Popular models on 8x165.1: Ram Heavy Duty, GMC Hummer, Ram Power, Hummer H2, Hummer H2 SUT, Hummer H1, Ram 2500 Heavy, Cadillac Escalade IQL.

Center bore is not the same across 8x165.1 vehicles: 121.3 mm (10 vehicles), 116.7 mm (10 vehicles). A wheel with the right bolt pattern but the wrong center bore will not seat on the hub — it needs to be machined to the exact bore or used with a hub-centric ring. Check the model page for your exact year before ordering.

Typical fastener: M14x1.5 Nut.

ANKUSI currently lists 29 forged wheel designs drilled 8x165.1, and every design can be machined to 8x165.1 with your vehicle's exact center bore and offset, in 14–24 inch diameters.