Replaces 53 series seat. Reinforced vertically adj head restraint with SFI 45.2 high-impact padding. Pre-punched shoulder mounting locations for easy installation. No square corners on bottom. Molded rubber inserts for lap and sub belt openings. Black air knit cover. Contoured bottom foam on cover has built-in leg separator for high g-force cornering support.
Kirkey has designed these lumbar supports to maximize support and increase comfort when using an aluminum racing seat. They are manufactured from high-density foam and can be easily installed on any aluminum seat. Giving yourself the correct back support can make a world of difference in driving comfort.