RockTrix for Precision European - 4pc 1.5" Thick HUBCENTRIC 6x4.5 Wheel Spacers (71.5mm bore, 1/2" Stud Threads) for Dodge 1992-2010 Viper, 1991-2003 Dakota, 1991-2003 Durango [APPLICATIONS] 1992-2017 Dodge Viper. 1991-2003 Dodge Dakota. 1991-2003 Dodge Durango. [SPECIFICATIONS] Pack of 4. 1.5" (38mm) Thickness | 6x114.3 or 6x4.5 Bolt Pattern | 71.5mm Hub Bore | 1/2"x20 Threaded Studs/Nuts [HUBCENTRIC DESIGN] The 71.5mm bore ensures a tight fit on the hub to minimize steering wheel vibration. This also eliminates the need to purchase hubcentric rings. Please be aware that these spacers do not come with a lip to center your wheels. See Description for more information. [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