2pc 1" UberTechnic Hubcentric 5x115 Wheel Spacers (70.3mm bore, 12x1.5 Studs) for Buick Cadillac CTS DTS Deville Chevy Chevrolet Impala Malibu Monte Carlo Pontiac Grand Am Grand Prix (5x4.53") [APPLICATIONS] Must Verify Year in Description. Cadillac, CTS, DeVille, DTS, El Dorado. Chevy Equinox, Impala, Malibu, Monte Carlo, Venture. Pontiac Aztek, Grand Am, Grand Prix, Trans Sport. And Many More! See Description for Full List of Years/Makes/Models. [SPECIFICATIONS] Set of 2. 1.0" (25mm) Thickness | 5x115 or 5x4.5 Bolt Pattern | 70.3mm Hub Bore | 12x1.5 Threaded Studs/Nuts [HUBCENTRIC DESIGN] Ensures exceptional wheel balance and eliminates chance of vibration. The 70.3mm bore ensures a tight fit on the hub. And the 70.3mm wheelcentric lip functions as an extension of the hub. [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. [PRODUCT BENEFITS] Gives your vehicle a more aggressive stance. Improves handling characteristics and stability. Fixes brake caliper clearance issues. Increases tire clearance to allow installation of wider wheels and tires