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
2009–2013	Cadillac	Escalade
2008–2014	Cadillac	Escalade	Base
2010–2013	Cadillac	Escalade	Hybrid Platinum
2011–2014	Cadillac	Escalade	Luxury
2008–2014	Cadillac	Escalade	Platinum
2011–2014	Cadillac	Escalade	Premium
2008–2014	Cadillac	Escalade ESV	Base
2011–2014	Cadillac	Escalade ESV	Luxury
2008–2014	Cadillac	Escalade ESV	Platinum
2011–2014	Cadillac	Escalade ESV	Premium
2008–2013	Cadillac	Escalade EXT	Base
2011–2013	Cadillac	Escalade EXT	Luxury
2011–2013	Cadillac	Escalade EXT	Premium
2011	Cadillac	SRX	Base
2011	Cadillac	SRX	Luxury
2011	Cadillac	SRX	Performance
2011	Cadillac	SRX	Premium
2013	Chevrolet	Avalanche	Black Diamond LS
2013	Chevrolet	Avalanche	Black Diamond LT
2013	Chevrolet	Avalanche	Black Diamond LTZ
2011–2012	Chevrolet	Avalanche	LS
2011–2012	Chevrolet	Avalanche	LT
2011–2012	Chevrolet	Avalanche	LTZ
2008–2014	Chevrolet	Suburban 1500	LS
2008–2014	Chevrolet	Suburban 1500	LT
2008–2014	Chevrolet	Suburban 1500	LTZ
2008–2013	Chevrolet	Suburban 2500	LS
2008–2013	Chevrolet	Suburban 2500	LT
2008–2013	Chevrolet	Tahoe
2008–2014	Chevrolet	Tahoe	LS
2008–2014	Chevrolet	Tahoe	LT
2008–2014	Chevrolet	Tahoe	LTZ
2008–2014	Chevrolet	Tahoe	PPV
2012–2014	Chevrolet	Tahoe	SSV
2011	Chevrolet	Traverse	LS
2011	Chevrolet	Traverse	LT
2011	Chevrolet	Traverse	LTZ
2011	GMC	Acadia	Denali
2011	GMC	Acadia	SL
2011	GMC	Acadia	SLE
2011	GMC	Acadia	SLT
2011	GMC	Terrain	SLE
2011	GMC	Terrain	SLT
2008–2013	GMC	Yukon
2008–2014	GMC	Yukon	Denali
2010–2013	GMC	Yukon	Denali Hybrid
2008–2014	GMC	Yukon	SLE
2008–2014	GMC	Yukon	SLT
2008–2014	GMC	Yukon XL 1500	Denali
2008–2014	GMC	Yukon XL 1500	SLE
2008–2014	GMC	Yukon XL 1500	SLT
2011–2012	GMC	Yukon XL 2500	SLE
2011–2012	GMC	Yukon XL 2500	SLT