4pc 1" Thick 5x110 to 5x114.3 Wheel Adapters (CHANGES BOLT PATTERN) with 12x1.5 Studs for Chevy Cobalt SS HHR Malibu Pontiac G6 Solstice Saturn Ion Red Line Sky (5x110 to 5x4.5 spacers) [CHANGES BOLT PATTERN] These Adapter Spacers will only work for you if your vehicle is 5x110 bolt pattern AND your wheels are 5x114.3 or 5x4.5 bolt pattern. See description for other important information. [APPLICATIONS] Chevy Cobalt SS, HHR, Malibu. Pontiac G6 & Solstice. Saturn Ion, L100, L200, L300, Sky. [SPECIFICATIONS] Pack of 4. 1.0" (25mm) Thickness | 65.1mm Hub Bore | 12x1.5 Threaded Studs/Nuts [BOLT PATTERN INFORMATION] 5x110 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.