Rotary Extended Height Adapter Kit used with any 1988 or newer GMT400 Pickup Truck. Maximum height is 14" and capacity is 2250 lbs. per adapter. This adapter will fit any frame-engaging, surface-mounted or inground Rotary Lift manufactured since October 1973. This kit includes four (4) FJ6101 adapters and a 2-piece column or wall-mounted Adapter Rack. Local sales tax rates will apply on all Rotary Lift purchases that are drop-shipped from the manufacturer. When purchased with a lift, additional discounts may be available. Please call for better pricing. Also, freight charges for this product are NOT included, and we will contact you with the amount after order is placed.