trailsport4x4 0.375 inch (3/8") Wheel Spacer Pair for Chevy/GMC - 5x4.75 Hub Increase overall axle width and tighten turning radius with Trail Sport's Billet Aluminum Wheel Spacers Kits. Trail Sport offers a full line of wheel spacer kits in many bolt patterns. Trail Sport premium quality wheel spacers are made from Forged 6061 Billet Aluminum to ensure years of strength and durability. Installation is quick and easy! Simply slide wheel spacer over existing vehicle studs and attach your wheel over wheel spacer using your existing lug nuts. Increase overall axle width and tighten turning radius Made from Forged 6061 Billet Aluminum to ensure years of strength and durability Quick and easy installation: Simply slide wheel spacer over existing vehicle studs and attach your wheel over wheel spacer using your existing lug nuts Each kit includes: Two 5x4.75 bolt pattern wheel spacers