This type of adapter is used for 6x5.5" (6x139mm) bolt pattern Vehicle

Fits 6x5.5" (6x139mm) wheels.

108mm (4.25in) Hub Bore

Available Sizes 1in*, 1.5in and 2in

M14x1.5 studs are included. 

Price is for a pair (2 pieces).

These adapters can be used on the following cars, among others:

Chevrolet: C/K 1500 2/4WD (99-01), Silverado 2/4WD (99-on), Sierra 2/4WD (99-on), Avalanche (01-on),

Tahoe, Yokon (95-on), Blazer-Full Size 4WD (92-94), Suburban (92-on)

GMC: K1500 4WD (88-ON), GMC - Denali (98-on)

Features

6061 T6 billet aluminum
CNC machined
pressed-in studs included

 *Warning!!*

If the hub studs protrude outside the adapter and prevent the wheels to sit flush on the adapter plates, it is required to shorten the factory studs. It happens most often on 1" thick adapters.