2pc 1" Thick UberTechnic Hubcentric 5x4.75 Wheel Spacers with Lip (12x1.5 Studs) for Chevy Blazer Camaro Corvette S10 GMC S15 Jimmy Pontiac Trans Am Firebird Cadillac XLR Black 5x120.65 [APPLICATIONS] 1987-2005 Chevy Blazer. 1982-2003 Chevy Camaro (Rear Hub). 1984-2013 Corvette. 1991-2005 GMC Jimmy. 1984-1997 Pontiac Trans Am. And Many More! See Description for Full List. [SPECIFICATIONS] Set of 2. 1.0" (25mm) Thickness | 5x4.75" (5x120.65) Bolt Pattern | 70.5mm Hub Bore | 12x1.5 Threaded Studs/Nuts. [HUBCENTRIC DESIGN] Ensures exceptional wheel balance and eliminates chance of vibration. The 70.5mm bore ensures a tight fit on the hub. And the 70.5mm 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.