Features High Adjustable Backrest with Integrated Headrest Left Hand Side Control Functions Adjustable Double Locking Slide Rails Adjustable Air Lumbar - Upper/Lower & Bolsters 30 Degree Seat Tilt Adjustment 90mm (3.5433”) Suspension Stroke Adjustable Seat Cushion Length 60mm (2.36”) Document Map Pocket Heavy Duty 12-Volt Air Suspension Left & Right Adjustable Armrests Manual Air Height Adjustable Adjustable Damper Freightliner M2 Specific Base Bolt Pattern Base Height: 165 mm (~6 1/2”) Side to Side - 219mm (8-5/8") to 232mm (9-1/8") Front to Back - 356mm (14") Options 12-Volt Seat & Back Cushion Heater Kit - 830286 Contact One Of Our Seating Specialists For More Details