4pc 1.25" Thick Wheel Adapters 5x115 to 5x114.3 (CHANGES BOLT PATTERN) with metric 12x1.5 Studs & Nuts (5x4.53 to 5x4.5) 32mm Spacers [CHANGES BOLT PATTERN] These Adapter Spacers will only work for you if your vehicle is 5x115 bolt pattern AND your wheels are 5x114.3 or 5x4.5 bolt pattern. See description for other important information. [APPLICATIONS] Buick, Cadillac, Chevy, Chevrolet, Chrysler, & Pontiac vehicles with 5x115 Bolt Pattern and 12x1.5 Threaded Studs [SPECIFICATIONS] Pack of 4. 1.25" (32mm) Thickness | 74.1mm Hub Bore | 12x1.5 Threaded Studs/Nuts [BOLT PATTERN INFORMATION] 5x115 Vehicle Bolt Pattern | 5x114.3 or 5x4.5 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.