Amazon.com: VLAOSCHI Black Forged 6x5.5 to 8x6.5 Wheel Adapters 2 Inch Compatible with Chevy GMC-Toyota (6 Lug 6x139.7 Truck to 8 Lug 8x165.1 Rim) for Silverado Sierra 1500 Tahoe | 4Runner Tacoma
6 Bolt To 8 Bolt Wheel Adapters For Rims 2″ Thickness Any Pattern - Rim Fitment Specialists
5x5.5 to 8x170 Wheel Adapter 2inch, (Pair of 2)
Universal Adapter
6 Lug x 5.5 to 8 Lug x 170mm Wheel Adapters / 2 Spacers [TSS-6550x8170E] - $229.99 : Tire Shop Supplies, Shop tools, wheel adapters and more