The Skyjacker Rock Ready heavy duty steering system for all Jeep Wrangler JK models features: 1-3/4 inch diameter .281 wall 1026 DOM tie rod and drag link tubes, 1-1/4 inch threaded forged steel greaseable tie rod ends, and massive cartridges that thread into the forged tie rod end body. 07-Current Wrangler JK, 2 & 4 Door;1-3/4? diameter .281 wall 1026 DOM tie rod and drag link tubes;1-1/4? threaded forged steel greasable tie rod ends;Massive cartridges that thread into the forged tie rod end body