Kirkey 85140KIT 85 Series Aluminum Layback Containment Seat/Cover Kit NEW FOR 2025 REPLACES 89 SERIES SEAT Unique adjustable design eliminates need for a custom seat saving hundreds of dollars. Designed for: Limited Sprint Cars, North East Dirt Modifieds, (including Sportsman and Small Block Modifieds). 10° Layback. 3" in torso, 1" for head restraint. Head restraint has 2" forward to aft adjustment to keep helmet close to restraint. Head also rotates for increased peripheral vision. Available in 14” through 17” hip widths Three-piece design gives 4" total vertical adjustment. Bottom, shoulders, head restraint have built in reinforcing to add to seat strength. Upholstered padding on head reduces vibration and absorbs impact. Connector brackets use nut certs to simplify assembly and adjustment. Contoured, elongated bottom supports hips and thighs to eliminate dead air spaces. Padded bottom upholstery has built in leg separator to support inner thigh in high "G" cornering. Low rebound high impact padding comes standard on bottom and rib supports. Redesigned shoulder restraint gives more arm clearance.