Product Information:These two piece conversion type wheel adapters are used to convert 6 lug 5.5-inch (139.7mm) bolt pattern hub to fit wheels of 5 lug 150mm bolt pattern. Adapters are built with 110mm hub centric lip to support 5 lug Tundra wheels for a factory fit. . Check to make sure you have enough clearance. CNC machined with precision craftsmanship using 6061 T6 aerospace quality billet, featured in high load capacity and corrosion resistance. High quality studs are pre-installed. Sold as a set of 4 for all four wheels.Hub centric design for a snug fit on both the vehicles and factory wheels listed below. Significantly reduces stress on bearings and chance of vibrations.Fit on 6x5.5" (139.7mm) Hub Or Fit the Following Vehicles:Fits 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)Fits GMC: K1500 4WD (88-on), GMC - Denali (98-on)Fits Toyota: Tacoma 4WD (95-on), Sequoia 4WD (01-on), Tundra (99-06), 4-Runner (86-on), T100 (93-98), Landcruiser (62-92)Fits Nissan: Xterra-16" (99-on), Frontier Pickup 4WD (98-04), Frontier (87-04), Hard Body Pickup 2/4WD (85-on), Pickup 2/4WD (72-84)Hub Centric Fit for Factory Wheels (or 110mm Bore wheels) Compatible with These Vehicles: Toyota: 5 lug Tundra (07-on), Landcruiser (98-on)Adapter Specification:Vehicle Bolt Pattern: 6x5.5-inch (139.7mm) Wheel Bolt Pattern: 5x150mm Studs Thread Size: 14x1.5 Hub Bore Size: 108mmHub Centric Lip: 110mm Thickness: 2-inch (50mm) Lug Torque: 95 ft-lbs Black Allen Bolt Torque: 55 ft-lbsTechnical Notes:If hub studs protrude outside the inner adapter piece and prevent the outer adapter piece from sitting flush, it is required to shorten the factory studs.