4PCS Air Suspension Spring Bags. 2500 LBS Diameter 6″, Extended 8″, Closed 2.75″ Two Top Mounting Holes Measure Approx 1-3/4″ from Eye to Eye Bottom has One Mounting Hole in Center All mounting holes are 3/8-16 UNC. Make sure that is the correct fitment for your vehicle. For Firestone 255C 2500 LBS 3/8″-16UNC 1/2″NPT 4X Air Suspension Springs 2500lb. You may refer to Moog official website to see if it is suitable for your model before placing an order, so as to avoid unnecessary items that are different from the described return requirements. Please don’t hesitate to contact our customer services for any commodity quesitons or problems. Left, Right, Front, Rear. Kit or Single Part. Upper Mounting Isolator Included. Minimum Operating Pressure (psi). Iron, Aluminium Alloy, Rubber. OE Spec or Performance/Custom. Single Dimension(CM) 20.00(Length)18.00(Width)18.00(Height). Air Ride Spring Bag, Air Suspension Spring Bag. For Firestone 255C 2500 LBS. 2500lb For Firestone 255C 3/8″-16UNC 1/2″NPT. We try to deliver a better online shopping experiencefor our customers. Air Ride Suspension Air Spring Bag Pair Heavy Duty 2600 For 3/8″ 1/2″ NPT Port. Front Rear Shock Absorbers For 2001-05 06 GMC Yukon Chevy Tahoe & Silverado 1500.