RockTrix for Precision European - 4pc 1" Thick Hubcentric 5x4.5 Wheel Spacers (71.5mm bore, 1/2" studs) for Jeep Cherokee XJ Grand Cherokee ZJ Wrangler YJ TJ Liberty KJ KK Comanche (25mm 5x114.3) [JEEP APPLICATIONS] 1980-2001 Cherokee. 1993-1988 Grand Cherokee. 1987-2006 Wrangler. 2002-2012 Liberty. 1986-1992 Comanche. [SPECIFICATIONS] Set of 4. 1.0" (25mm) Thickness | 5x4.5" (5x114.3) Bolt Pattern | 71.5mm Hub Bore | 1/2"x20 Threaded Studs/Nuts [HUBCENTRIC DESIGN] Ensures exceptional wheel balance and eliminates chance of vibration. The 71.5mm bore ensures a tight fit on the hub. And the 71.5mm wheelcentric lip functions as an extension of the hub. [MANUFACTURING] CNC Machined to exact specifications from Aerospace Billet Aluminum. Undergoes anodizing process to prevent 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 <span class="a-text-bold">Thickness</span>: 1.0 inches <span class="a-text-bold">Bolt Pattern</span>: 5x4.5&#034; (5x114.3mm) <span class="a-text-bold">Centerbore</span>: 71.5mm <span class="a-text-bold">Stud/Nut Size</span>: 1/2&#034;x20 <span class="a-text-bold">Material</span>: T6 Aerospace Grade Aluminum <span class="a-text-bold">Stud Grade</span>: Metric Grade 10.9