Universal Air Suspension Bags for Ford F150/F250, for GMC Sierra, for Chevrolet Silverado, for Dodge Ram 1500 2500 3500, etc. This is aftermarket air bag replacement. 100% Brand NEW, never used 1x Air Bag 2 smaller bolt holes diameter: 0.3″ (8mm) 1 bigger bolt hole diameter: 1/2NPT (18mm) Air spring bag Extended diameter: 7.3″ (185mm) Air spring bag min height: 2. 5(63.5mm) Air spring bag capacity: 2600LBS For Front or Rear (LH or RH) Provide better handing and comfort ride for you. Design for comfort suspension Heavy duty double convoluted crimped. All items are Brand New unless stated otherwise on the listing. We sell DIY (Do It Yourself) Items with a few exceptions. We take no responsibility in teaching you how to install. Professional installation is strongly recommended. (IMPORTANT) No Instructions Included. Professional Installation Is Highly Recommended! Please allow 0.5-1 inch difference due to manual measurement. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.