Alston swing out side bar kits allow for easy access in or out of the vehicle. The standard kit includes precision machined clevises, weld on brackets, and hardware. The deluxe swing out side bar kit adds a unique spring loaded latching mechanism. Once the latch is engaged, the chrome plated safety slider springs into place locking the side bar. NHRA legal to 8.50. For 1 5/8" x .134 wall tubing only.