Kirkey 86 Series Full Containment Aluminum Seat Kit - 17 in Wide - 20 Degree Layback - Black Tweed Cover KSE Racing Products not commonly used electric welded

not commonly used electric welded tubing

3/4 in 36 Spline to 18 mm Double D

1983-1991 GMC G3500

1/8 in Thread

Kirkey 86 Series Full Containment Aluminum Seat Kit - 17 in Wide - 20 Degree Layback - Black Tweed Cover KSE Racing Products not commonly used electric weldedAdjustable Racing Seat Adjustable Racing Seat Features Unique adjustable design eliminates the need for a custom seat saving hundreds of dollars. Designed for: Dirt Late Model, Asphalt Late Models, Crate Late Models, Midwest Modifieds, Street Stock. 20 Layback. Available in 13 through 18. 5 hip widths. Three piece design gives 4" total vertical adjustment. (3" in torso, 1" for head restraint). Head restraint has 2" forward to aft adjustment to keep