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).

This Part Fits:

Year	Make	Model	Submodel
2003-2014	Chevrolet	Express 2500	Base
2003-2014	Chevrolet	Express 2500	LS
2006-2014	Chevrolet	Express 2500	LT
2003-2014	Chevrolet	Express 3500	Base
2003-2014	Chevrolet	Express 3500	LS
2006-2014	Chevrolet	Express 3500	LT
1999-2005	Chevrolet	Silverado 1500	Base
2004-2006	Chevrolet	Silverado 1500	Hybrid
1999-2006	Chevrolet	Silverado 1500	LS
1999-2007	Chevrolet	Silverado 1500	LT
2007	Chevrolet	Silverado 1500	LTZ
2003-2006	Chevrolet	Silverado 1500	SS
2002-2007	Chevrolet	Silverado 1500	WT
2004	Chevrolet	Silverado 1500	Z71
2005	Chevrolet	Silverado 1500	Z71 Off-Road
2007	Chevrolet	Silverado 1500 Classic	Hybrid
2007	Chevrolet	Silverado 1500 Classic	LS
2007	Chevrolet	Silverado 1500 Classic	LT
2007	Chevrolet	Silverado 1500 Classic	SS
2007	Chevrolet	Silverado 1500 Classic	WT
2007	Chevrolet	Silverado 1500 HD Classic	LT
1997-2003	Dodge	Dakota	Base
2009-2010	Dodge	Dakota	Big Horn
2005-2010	Dodge	Dakota	Laramie
2009-2010	Dodge	Dakota	Lone Star
1998-1999,2001-2003	Dodge	Dakota	R/T
1997-2003,2005-2008	Dodge	Dakota	SLT
1997-2003,2005,2008	Dodge	Dakota	Sport
2005-2010	Dodge	Dakota	ST
2002,2008	Dodge	Dakota	SXT
2008	Dodge	Dakota	TRX
2008-2010	Dodge	Dakota	TRX4
2003-2005	Ford	E-350 Club Wagon	Chateau
2003-2005	Ford	E-350 Club Wagon	XL
2003-2005	Ford	E-350 Club Wagon	XLT
1998	Ford	E-350 Econoline	Base
1998	Ford	E-350 Econoline	XL
1998-2002	Ford	E-350 Econoline Club Wagon	Chateau
1998-2000	Ford	E-350 Econoline Club Wagon	Custom
2001-2002	Ford	E-350 Econoline Club Wagon	XL
1998	Ford	E-350 Econoline Club Wagon	XL HD
1998-2002	Ford	E-350 Econoline Club Wagon	XLT
1998	Ford	E-350 Econoline Club Wagon	XLT HD
1999-2014	Ford	E-350 Super Duty	Base
2006	Ford	E-350 Super Duty	Chateau
1999-2000,2006-2014	Ford	E-350 Super Duty	XL
2006-2014	Ford	E-350 Super Duty	XLT
1997-2000	Ford	F-150	Base
2004	Ford	F-150	FX4
2000-2003	Ford	F-150	Harley-Davidson Edition
2001-2003	Ford	F-150	King Ranch
1997-2004	Ford	F-150	Lariat
1999-2003	Ford	F-150	Lightning
2004	Ford	F-150	STX
1997-2004	Ford	F-150	XL
1997-2004	Ford	F-150	XLT
2004	Ford	F-150 Heritage	SVT Lightning
2004	Ford	F-150 Heritage	XL
2004	Ford	F-150 Heritage	XLT
1997-1999	Ford	F-250	Base
1997-1999	Ford	F-250	Lariat
1997-1999	Ford	F-250	XL
1997-1999	Ford	F-250	XLT
1997	Ford	F-250 HD	XL
1997	Ford	F-250 HD	XLT
1999-2003	Ford	F-250 Super Duty	Lariat
1999-2003	Ford	F-250 Super Duty	XL
1999-2003	Ford	F-250 Super Duty	XLT
1983,1985-1986	Ford	Ranger	Base
1987-1992	Ford	Ranger	Custom
2001-2005	Ford	Ranger	Edge
1998-2002	Ford	Ranger	EV
2006-2009	Ford	Ranger	FX4
1988-1989	Ford	Ranger	GT
1984,1986-1992	Ford	Ranger	S
1990	Ford	Ranger	S Plus
1993-1998	Ford	Ranger	Splash
1991-1993,1997,2006-2009	Ford	Ranger	Sport
1986-1997,2005-2007	Ford	Ranger	STX
2004	Ford	Ranger	Tremor
1983-1986,1993-2011	Ford	Ranger	XL
1995	Ford	Ranger	XL Sport
1983-1985	Ford	Ranger	XLS
1983-2011	Ford	Ranger	XLT
2003-2014	GMC	Savana 2500	Base
2007-2014	GMC	Savana 2500	LS
2007-2014	GMC	Savana 2500	LT
2003-2005	GMC	Savana 2500	SLE
2003-2014	GMC	Savana 3500	Base
2006-2014	GMC	Savana 3500	LS
2006-2014	GMC	Savana 3500	LT
2003-2005	GMC	Savana 3500	SLE
2002-2005	GMC	Sierra 1500	Base
2001	GMC	Sierra 1500	C3
2002-2007	GMC	Sierra 1500	Denali
2002	GMC	Sierra 1500	HT
2005-2006	GMC	Sierra 1500	Hybrid
1999-2003,2006	GMC	Sierra 1500	SL
1999-2007	GMC	Sierra 1500	SLE
1999-2007	GMC	Sierra 1500	SLT
2002-2007	GMC	Sierra 1500	WT
2007	GMC	Sierra 1500 Classic	Denali
2007	GMC	Sierra 1500 Classic	Hybrid
2007	GMC	Sierra 1500 Classic	SL
2007	GMC	Sierra 1500 Classic	SLE
2007	GMC	Sierra 1500 Classic	SLT
2007	GMC	Sierra 1500 Classic	WT
2007	GMC	Sierra 1500 HD Classic	SLE
2007	GMC	Sierra 1500 HD Classic	SLT
1991-1993	Mazda	B2200	Base
1991-1993	Mazda	B2200	LE-5
1991-1993	Mazda	B2200	SE-5
1994-1997,2002-2005	Mazda	B2300	Base
1994-1997,2001,2003-2004	Mazda	B2300	SE
2001	Mazda	B2300	SX
1998-2001	Mazda	B2500	SE
1998-2001	Mazda	B2500	SX
1999	Mazda	B2500	Troy Lee
1991-1993	Mazda	B2600	Base
1991-1993	Mazda	B2600	LE-5
1991-1993	Mazda	B2600	SE-5
1994-1996,2002,2005	Mazda	B3000	Base
2001-2005	Mazda	B3000	DS
1994-1996,1998-2001,2003-2004	Mazda	B3000	SE
1998,2000	Mazda	B3000	SX
1999-2000	Mazda	B3000	Troy Lee
1997,2002-2005	Mazda	B4000	Base
2001-2004	Mazda	B4000	DS
1994-1996	Mazda	B4000	LE
1994-2001,2003-2005	Mazda	B4000	SE
2000	Mazda	B4000	Troy Lee
2006-2007	Mitsubishi	Raider	DuroCross
2006-2009	Mitsubishi	Raider	LS
2007	Mitsubishi	Raider	SE
2006	Mitsubishi	Raider	XLS