2pc 1.5" Thick UberTechnic Wheel Adapters 5x5.5 to 5x4.5 (CHANGES BOLT PATTERN) with 1/2"x20 Studs Nuts for Dodge Ram 1500 Durango Ford F100 F150 E150 Bronco (5x139.7 to 5x114.3) 38mm Spacers [CHANGES BOLT PATTERN] These Adapter Spacers will only work for you if your vehicle is 5x5.5" (5x139.7) bolt pattern AND your wheels are 5x4.5" (5x114.3) bolt pattern. See description for other important information. [APPLICATIONS] Dodge Ram 1500, Dodge Dakota, Durango, Ford F100, Ford F150, Ford Bronco with 5x5.5" (5x139.7) Bolt Pattern and 1/2"x20 Threaded Studs [SPECIFICATIONS] Pack of 2. 1.5" (38mm) Thickness | 88mm Hub Bore | 1/2"x20 Threaded Studs/Nuts [BOLT PATTERN INFORMATION] 5x5.5" (5x139.7) Vehicle Bolt Pattern | 5x4.5" (5x114.3) Wheel Bolt Pattern [MANUFACTURING] CNC Machined to exact specifications from Aerospace Billet Aluminum. Undergoes anodizing process to prevent corrision. Includes pre-installed heat treated 10.9 grade studs.