CR5031 Air Suspension Helper Kit for Coil Springs - Rear MITSUBISHI CHALLENGER PB, PC, KG KH 09-15 Product Information Airbag kit includes two airbags, airbag end protectors, air line tubing and two inflation valves, full instructions included. Can be shipped in POS carton in 5Kg air freight shipment. Airbags are fitted inside coil springs to provide load carrying assistance and are easily inflated or deflated to cater for the vehicle loading Fitment: Drilling Required Fitment Time: 120 minutes