Brand New with Warranty Two (2) 1000 lbs, M12x1.75 end threaded gas shocks for most bolt on lambo door vertical kits, except Mustang 94-04 Replacement for Vertical/Lambo/Lamborghini doors Gas Shock Strut. These are high quality heavy-duty gas shocks specially made for Vertical / Lambo door kits. Dimensions: Thread pitch: M12X1.75 Length: 7 ¾ inch Diameter: 1 1/8 inch.