Wheel Adapter: 1.Material:6061-T6 Aluminum alloy + Plate 2. ... snorkel,air compressor,air locker,high-lift jacker,wheel spacer,wheel hub,wheel arch flares,roof tent,roof rack,electric winch ... hook,auto lamp,auto seat,etc.1.Accurate Specification of wheel spacer. ModelMaterialWideCB5-165.1 6061-T6 Aluminum alloy + ... 7/6-139.7 6061-T6 Aluminum alloy + Plate38mm110mm Billet wheel adapter-4wd wheel parts