20-Current Gladiator JT 18-Current Wrangler JL, 2 & 4 Door Increased length over OE arm to provide proper caster when lifted Features PTMEG bushings and Super-Flex joint for increased durability and articulation OE brake line bracket mount integrated into arm design 1.75" diameter .120" wall 4130 chromoly construction Provides additional strength, articulation and caster Easy bolt-on installation Rubicon Express control arms for Jeep JL Wrangler & JT Gladiator provide yet another path of modification. Made from thick wall DOM tubing and featuring the very reliable Rubicon Super-Flex joint these arms will allow for additional adjustment of your short arm suspension, unrestrained movement of your axles off road and unmatched durability when the going gets rough. Adjustment range allows for a versatile set up of pinion, caster, and wheel base or simply a replacement solution for your damaged OE control arms. Rubicon Express adjustable lower control arms are powder coated for corrosion resistance and covered by the Rubicon Express Advantage Warranty.