Firestone Coil-Rite Replacement Bellow for Air Helper Spring Kit - Rear 4.38 X 11 (W237606130)

If you're looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Designed to fit inside existing coil springs to create a variable spring rate, Coil-Rite will level your vehicle and assist with more effective braking and handling, even under heavy loading and adverse road conditions.Coil-Rite enables you to control the air pressure in the air helper springs so you can make adjustments for varying loads and road conditions. Spring performance can be altered as easily as inflating a tire.Firestone Coil-Rite air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. The air springs will support 500-1000 lbs. per set (not to exceed vehicle's GVWR). Coil-Rite Air Helper Springs are designed to work in temperatures between 180deg F (82deg C) and -40deg F (-40deg C). 4.38 X 11 CR IV Part Fitment 2009 Dodge Ram 1500 Laramie 2009 Dodge Ram 1500 SLT 2009 Dodge Ram 1500 Sport 2009 Dodge Ram 1500 ST 2009 Dodge Ram 1500 TRX 2009 Dodge Ram 1500 TRX4 2010 Dodge Ram 1500 Laramie 2010 Dodge Ram 1500 SLT 2010 Dodge Ram 1500 Sport 2010 Dodge Ram 1500 ST 2010 Dodge Ram 1500 TRX 2010 Dodge Ram 1500 TRX4 2011 Ram 1500 Big Horn 2011 Ram 1500 Laramie 2011 Ram 1500 Laramie Longhorn 2011 Ram 1500 Outdoorsman 2011 Ram 1500 SLT 2011 Ram 1500 Sport 2011 Ram 1500 ST 2011 Ram 1500 Tradesman 2012 Ram 1500 Big Horn 2012 Ram 1500 Express 2012 Ram 1500 Laramie 2012 Ram 1500 Laramie Longhorn 2012 Ram 1500 Outdoorsman 2012 Ram 1500 SLT 2012 Ram 1500 Sport 2012 Ram 1500 ST 2012 Ram 1500 Tradesman 2012 Ram 1500 Tradesman HD 2013 Ram 1500 Big Horn 2013 Ram 1500 Express 2013 Ram 1500 HFE 2013 Ram 1500 Laramie 2013 Ram 1500 Laramie Longhorn 2013 Ram 1500 Outdoorsman 2013 Ram 1500 R/T 2013 Ram 1500 SLT 2013 Ram 1500 Sport 2013 Ram 1500 Tradesman 2014 Ram 1500 Big Horn 2014 Ram 1500 Express 2014 Ram 1500 HFE 2014 Ram 1500 Laramie 2014 Ram 1500 Laramie Limited 2014 Ram 1500 Laramie Longhorn 2014 Ram 1500 Lone Star 2014 Ram 1500 Outdoorsman 2014 Ram 1500 SLT 2014 Ram 1500 Special Service 2014 Ram 1500 Sport 2014 Ram 1500 Tradesman 2015 Ram 1500 Big Horn 2015 Ram 1500 Express 2015 Ram 1500 HFE 2015 Ram 1500 Laramie 2015 Ram 1500 Laramie Limited 2015 Ram 1500 Laramie Longhorn 2015 Ram 1500 Limited 2015 Ram 1500 Lone Star 2015 Ram 1500 Outdoorsman 2015 Ram 1500 Rebel 2015 Ram 1500 SLT 2015 Ram 1500 Special Service 2015 Ram 1500 Sport 2015 Ram 1500 Tradesman 2016 Ram 1500 Big Horn 2016 Ram 1500 Express 2016 Ram 1500 HFE 2016 Ram 1500 Laramie 2016 Ram 1500 Laramie Longhorn 2016 Ram 1500 Limited 2016 Ram 1500 Lone Star 2016 Ram 1500 Outdoorsman 2016 Ram 1500 Rebel 2016 Ram 1500 SLT 2016 Ram 1500 Special Service 2016 Ram 1500 Sport 2016 Ram 1500 Tradesman