Single Convoluted Air Spring. Designed for Front & Rear Suspension on Mini Trucks, Hot Rods and Most Sport Cars. 2.0" Compressed 8.5" Extended 5.875" Diameter "Air House 2" By Universal AirCA$99.00PriceSELECT PORT SIZE*SelectAdd to CartDetailsBags made from Synthetic rubber to be resistant against Oil and breakdown that will ruin Natural Rubber.Available in 1/2 & 3/8 NPT Ports MADE IN THE USA!