Kirkey 58 Series lightweight layback seats are designed for Late Models, IMCA Modifieds, street stocks, and crate late models. They re TIG- and MIG-welded from 0.100 in. thick, 5052 grade aluminum with extra MIG-welding on the inside for added strength. The seat back is double cross-broke for added strength and comfort.

Kirkey 58 Series lightweight layback seat features include:

* Available in four sizes: 14 in., 15 in., 16 in., 17 in.
* Strategically-placed flared openings to lighten and strengthen seat
* Offset aluminum extrusion around perimeter of seat for added strength and safety
* Progressive rib bead adds extra strength
* Multi-position lap belt openings for easy mounting
* Submarine belt opening is standard
* Machine plate added to reinforce shoulder belt openings