Technical Specification for Urbania Air Suspension Kit 1. Z Spring Material: High-strength steel alloy Dimensions: Custom dimensions based on vehicle model Load Capacity: Specific to vehicle weight and suspension requirements 2. Air Spring 6.6″ Type: Double-convoluted air spring Diameter: 6.6 inches Maximum Pressure: 150 psi Material: Reinforced rubber with steel end plates 3. Complete Set … Continue reading URBANIA AIR SUSPENSION