RockTrix for Precision European - 2pc 1" Thick 5x5.5 to 5x5.5 HUBCENTRIC Wheel Spacers (77.8mm Bore) with 9/16" Studs Nuts for Dodge Ram 1500 Durango Dakota (CHECK DESCRIPTION FOR YEARS) 5x139.7 25mm [APPLICATIONS] 2007-2009 Chrysler Aspen. 2005-2010 Dodge Dakota. 2004-2009 Dodge Durango. 2002-2010 Dodge Ram 1500. 2006-2009 Mitsubishi Raider. [SPECIFICATIONS] Set of 2. 1.0" (25mm) Thickness | 5x5.5" (5x139.7) Bolt Pattern | 77.8mm Hub Bore | 9/16"x18 Threaded Studs/Nuts. [HUBCENTRIC DESIGN] Ensures exceptional wheel balance and eliminates chance of vibration. The 77.8mm bore ensures a tight fit on the hub. And the 77.8mm wheelcentric lip functions as an extension of the hub. [MANUFACTURING] CNC Machined to exact specifications from Aerospace Billet Aluminum. Undergoes anodizing process to prevent corrosion. 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.