21" billet aluminum Antirock® sway bar arms as used in our JK rear Antirock® sway bar kits are available separately for builders or as replacement parts. Arms are machined from 3/4" thick 6061T6 aluminum, making the weight on these arms just 1.5 pounds compared to the 3.5 pound weight of the standard steel arms! Sold as a pair.
NOTES: These arms are 21" long overall, making them 19.5" from center of splined hole to center of 1/2" hole. These are the arms that are included in our JK rear Antirock® kits.