PN#100226  SKU#13385  2-1/2″ Air Cylinder. Stroke: 6″. Style: Tailgate Cylinders. Diameter: 2-1/2″. Thrust at 100 psi: 251 lbs. Draw at 100 psi: 460 lbs. Shaft Thread: 5/8 – 18. Shaft Diameter: 5/8″. Retracted Length: 13.75″. Shipping Weight: 1.000 Pound. Port Size: (2) 1/4″. Minimum Bursting Pressure: 150 psi. Extended Length: 19.75″. Cylinder Type: Spring Return. 300 service stainless steel cylinder shafts provide excellent corrosion resistance and extended cycle life -cylinders tested to over 500000 cycles. Lightweight, corrosion resistant aluminum cylinder tube with die cast aluminum end caps. Rear clevis cast as integral part of the rear cover for improved durability and mounting integrity. Double acting, Emralon-coated piston cup assures smooth long lasting operation even in cold weather conditions (to – 40°). Front end cap assembly includes pressure seal, dirt seal and oil impregnated bronze bushing. Cylinder tube imprinted with part number and date code for quick identification. All cylinders are factory pressure and leak tested prior to shipping. Front Cover Kit-Includes front cover with bushing and seals installed and two cylinder gaskets. Rear Cover Kit-Includes rear cover with two cylinder gaskets. Piston Cup Kit-Includes piston cup, lock nut and two cylinder gaskets. Shaft Kit-Includes shaft, lock nut and two cylinder gaskets.