COMPATIBILITY – Fits 2018-2018 Jeep Wrangler JK; 2007-2017 Jeep Wrangler GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase COMPATIBILITY -- Fits Jeep Wrangler JK Unlimited and Rubicon models with 2-in. to 4-in. lift kits that utilize the factory upper and lower control arms MAINTAINS CASTER ANGLE -- Keeps control arms at factory angles to deflect road harshness, reduce brake dive and allow for proper caster angle on lifted Jeep Wrangler JK models EASY TO INSTALL -- Bolt-on system for easy installation features four fixed adjustment locations for each height with option for additional caster INHIBITS RUST -- Durable black E-coat finish inhibits rust ENGINEERED TO LAST -- Made of high-strength, low-alloy steel for long life and dependability ONE-PIECE SOLUTION -- One-piece welded design eliminates need for adjustable control arms or cam bolts for caster correction BUY WITH CONFIDENCE -- Comes with Rancho's limited one-year warranty