Rear Air Suspension Leaf Spring Bag Helper Kit for 4WD models from 2015 to 2021, compatible with GGN125 and GUN126 chassis.Fits 4WD vehicles manufactured from 2015 onward and accommodates vehicles with a 2 inch suspension lift.Condition: Brand Placement on Vehicle: Rear left and right Recommended working pressure range: 5 psi to 160 psi Load capacity: 5000 lb (2268 kg) Air spring design height: 152 mm Stroke: 110 mm Maximum extended height: 175 mm Minimum compressed height: 65 mm Overall kit height range: 206 mm to 316 mm Package includes: 2 x Heavy Duty Double Bellow Air Ride Suspension bags 4 x Upper and lower mounting brackets 1 x 5 m air line Mounting hardware Features: Heavy duty double convoluted crimped design supports load capacity up to 2500 pounds Designed to reduce stress on factory leaf springs under heavy load conditions Supplied as a complete kit for straightforward installation Improves steering response and vehicle handling Built to consistent quality control standards Engineered for comfort-oriented suspension function Designed specifically for 4WD vehicles manufactured from 2015 onwards, direct compatibility with modern heavy-duty chassis configurations Supports up to 4000 kg total load capacity, reinforcing rear axle stability during towing, hauling, or off-road use Includes air spring bags that replace or supplement leaf springs, enhancing ride height control and load-leveling function Engineered for rugged terrain and stress applications, maintaining consistent air pressure retention and structural integrity under conditions Fits standard mounting points on compatible heavy-duty suspension systems, allowing straightforward installation without major modifications Brand HCnapEHMH Model HCnapEHMH716 Exterior Aluminum Item Weight 3.88 ounces Manufacturer HCnapEHMH Item model number HCnapEHMH068 Product Dimensions 1.97 x 1.18 x 0.79 inches Manufacturer Part Number HCnapEHMH068