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).

Vehicle Fitment

Years	Make	Model	Trim
2011	Jeep	Wrangler	70th Anniversary
2016	Jeep	Wrangler	75th Anniversary
2007–2018	Jeep	Wrangler	Rubicon
2007–2018	Jeep	Wrangler	Sahara
2010–2018	Jeep	Wrangler	Sport
2016, 2018	Jeep	Wrangler	Sport S
2011	Jeep	Wrangler	Unlimited 70th Anniversary
2016	Jeep	Wrangler	Unlimited 75th Anniversary
2007–2018	Jeep	Wrangler	Unlimited Rubicon
2007–2018	Jeep	Wrangler	Unlimited Sahara
2010–2018	Jeep	Wrangler	Unlimited Sport
2016, 2018	Jeep	Wrangler	Unlimited Sport S
2007–2010	Jeep	Wrangler	Unlimited X
2007–2010	Jeep	Wrangler	X
2007–2009	Toyota	FJ Cruiser	Base
2008	Toyota	FJ Cruiser	Trail Teams Special Edition
2007	Toyota	FJ Cruiser	TRD Special Edition