Rear Air Suspension Helper Spring Kit compatible for GMC Sierra 1500 2007-2018 6 Lug Wheels

ApplicationCompatible for Chevrolet Silverado 1500 Light duty 2WD/4WD 2019 compatible for Chevrolet Silverado 1500 2WD/4WD 2007-2018 compatible for GMC Sierra 1500 Light duty 2WD/4WD 2019 compatible for GMC Sierra 1500 2WD/4WD 2007-2018 Note：Fits 2015 and newer models, except for High Country and compatible for Denali models.SpecificationCondition: Brand New Placement on Vehicle: Rear left and right Charge: 5000 LB / 2268 KG Air spring--- Stroke:150mm Max. Extended: 230mm Min. Compressed:80mm Operating Pressure : ≤2.0Mpa Temperature range：≤+70° , ≥-40° Package includes（as the picture shows）: 2x Heavy Duty Double Bellow Air Ride Suspension bags 4x Upper and lower mounting brackets Mounting Hardware kitsFeature1、Stress Test Over 5,000,000 Times：Durable and Safe 2、Burst Pressure≥2.0MPa：High Compressive Strength and Less Noise 3、100% Air Tightness Guarantee 4、Temperature Range ≥ -40℃/ ≤ 70℃ (≥ -40°F/≤ 158°F)：Premium Natural Rubber Material 5、 4-Layer reinforcement construction: Enhances air spring load support. 6、Use high-quality steel with high load-bearing capacity and long life. 7、Excellent and practical bolt-on installation. 8、Safe carrying capacity and stability 9、Restore the original ride height and improve ride quality 10、Ensure our driving comfort and reduce tire wear. 11、Dacromet is a new surface treatment technology that has excellent corrosion resistance compared to traditional electroplating processes.