Kirkey 58 Series Lightweight Layback Seat - 17" - (Cover Sold Separately) Gear Knob Used by Joe Gibbs Racing

Used by Joe Gibbs Racing in every rear end differential

Larger brake cooling holes reduce brake temperature and prevent fading during long feature races

They have a high horsepower potential out-of-the-box

One gasket only

Kirkey 58 Series Lightweight Layback Seat - 17" - (Cover Sold Separately) Gear Knob Used by Joe Gibbs RacingKirkey's Lightweight Double Rib Support 20 Degree Layback is designed for the racer who wants to save weight but demands the ultimate in comfort and safety. Features: Strategically placed flared openings save weight and add strength . 081 thick 5052 grade aluminum, TIG welded outside and MIG welded inside for added strength. Contoured sides support hips and thighs along complete side of seat. Seat bottom shaped at rear to support tailbone and lower