Dartmoor Discovery reviews Racecheck Firestone Ride Rite Replacement Air Spring Bellow 70mm (For Kit PN 2171) (W217607076). 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). Warranty Warranty Air Adjustments Improves The Ride Increase Vehicle Stability Reduce Suspension Fatigue Keep The Vehicle Level Level Off Center Loads Reduce Bottoming Out This Part Fits: Year Make Model Submodel 2003 2007 Ford E 150 Base 2006 2007 Ford E 150 Chateau 2006 2007 Ford E 150 XL 2006 2007 Ford E 150 XLT 2003 2005 Ford E 150 Club Wagon Chateau 2003 2005 Ford E 150 Club Wagon XL 2003 2005 Ford E 150 Club Wagon XLT 1975 1982,1984 1986,1992 2002 Ford E 150 Econoline Base 1975 1982 Ford E 150 Econoline Chateau 1975 1983,1987 1991 Ford E 150 Econoline Custom 1975 1978 Ford E 150 Econoline Northland 1983 2000 Ford E 150 Econoline XL 1975 1982,1984 1986 Ford E 150 Econoline Club Wagon Base 1975 1982,1992 2002 Ford E 150 Econoline Club Wagon Chateau 1975 1983,1987 2000 Ford E 150 Econoline Club Wagon Custom 1975 1978 Ford E 150 Econoline Club Wagon Northland 1983 1991,2001 2002 Ford E 150 Econoline Club Wagon XL 1984 2002 Ford E 150 Econoline Club Wagon XLT