Introduction: Car air suspension spring bag is one of the most popular suspension kits available, it delivers some of the greatest performance benefits and convenience for all types of vehicles. Air bag suspension kits raise the vehicle high enough to compensate for any extra weight. This helps to keep the vehicle level while towing and hauling and prevents rear sagging, bottoming out, and excessive pressure on your tires. Maxpeedingrods provide a full assortment of air suspension spring bags for all your suspension needs!   Fits for 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 Please double check dimension before purchasing. Also Compatible With Most mini trucks, compact pickups, classic cars & hot rods, and custom suspension setups   Features: 1、OEM Product：Easy to install 2、Test more than 5,000,000 times：Durable and Safe 3、24 hours air tightness test ≤0.02MPa：Air Tightness Guarantee 4、Temperature Range ≥ -40℃/ ≤ 70℃(≥ -40°F/≤ 158°F)：Premium Natural Rubber Material   Specification: Condition: 100% Brand New Loading cap. at 3.0bar:2.88KN Loading cap. at 7.0bar:7.25KN Placement on Vehicle: Left,Right,Front,Rear Air spring bag capacity:  2500LBS   Min height: 72mm±5mm Max height: 218MM±5mm Working stroke: 146mm±5mm Single air port size: 1/2NPT Air fitting elbow connector: G1/2-φ6(male) (Not included in the package) Install hole size: 3/8-16UNC Top plate diameter:113mm Air spring bag body diameter:148mm±2mm   Package Includes: 2x 100% brand new standard 2500 lbs air suspension Bags NOTE：Please confirm the air spring specifications to ensure compatibility with your vehicle. Authority ID：MXR02FXSY Notice：California Prop 65 Warning