Bigger tires need clearance and adding that suspension lift is only half the battle. Spidertrax 1-1/2 thick, 5 on 5″ bolt circle, 6061T6 aluminum spacers are an easy way of spacing out front and rear axles. This added spacing is necessary for keeping those larger tires from crashing into your frame rails and suspension links at full turn. Simply bolt-on like a wheel, and off to the trails you go.Each kit comes with 2 wheel spacers, 10 1/2-20 Grade 8+ 4140 wheel studs (pre-installed), 10 lug nuts, and a package of thread locker.Designed for a perfect fit, these spacers are both wheel and hub-centric, and do not require modification of factory wheel studs for installation. Finished with a double anodizing process, they offer superior corrosion resistance for long lasting performance.Fits:Jeep Wrangler JK 2 Door (2007-2018)Jeep Wrangler JK 4 Door Unlimited (2007-2018)