Alston Racing deluxe swing-out sidebars are designed for easy access in and out of your race vehicle. The swing-out sidebar features a unique spring-loaded latching mechanism for easy operation. Once the latch is fully engaged, the chrome-plated safety slider quickly springs into action, locking the sidebar securely in place. These deluxe door bar kits include precision-machined clevises, weld-on brackets, and installation hardware. They're designed to work with 1 5/8 in. x .134 wall tubing only. The sidebars are NHRA-legal to 8.50. Doesn't risk serious injury, or worse—be proactive with Alston Racing safety products!