Pair of 2500 lb 1/2npt single port air spring Suspension Bellows Air Spring Bag. Air Ride Spring Bag is made in steel braided cord reinforced ribs and multi-layer nylon belt cords bonded into the rubber. The all steel top and bottom plates have rolled crimp connections for unmatched durability. This front air suspension kit is suitable for Suspension with 1/2 NPT Single Port. Three Mounting Holes at its Bottom. Fits tightly to for your front air suspension strut. Universal Air Suspension Bags for Ford F150/F250, for GMC Sierra, for Chevrolet Silverado, for Dodge Ram 1500 2500 3500, etc. For most brand trucks. At 3.0bar:2.88KN. At 7.0bar:7.25KN. Single air port size: 1/2NPT. Install hole size:3/8-16UNC. Top plate diameter:113mm. Air spring bag capacity: 2500LBS. Max pressure: 2.6Mpa. Your benefits and service. Full-fledged replacement supparts of the car’s original air suspension and the original air suspension. (Safety, fit accuracy, service life and quality correspond to the original air suspension). Sturdy & Durable Material. Dampen the driving vibration. We recommend a professional installation, there is no manual encased.