These direct - fit, stock - length front lower control arms add strength, and articulation flexibility for your stock - height or 'lifted' suspension Wrangler. They feature SPC's xAxis sealed flex joints to provide bind - free 'twist' between the frame and axleduring off - road articulation. The main tube is 316 wall round DOM steel to provide strength and a knobby - tread - friendly shape to handle large tires, low gearing, and big horsepower. California Residents WARNING