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Vehicle Info NeededFIRESTONEPART NUMBER: 385-4103
Coil-Rite Air Helper Spring Kit 1979-03 Ford Mustang/Mercury Capri
$14300$158.89You Save$15.89
Ships on 12/23/2026
Lowest Price GuaranteeGM, Isuzu & Ford
- Coil-Rite Air Helper Spring Kit
- 1979-03 Ford Mustang/Mercury Capri
- 1982-90 Chevy Celebrity/Pontiac 6000
- 1982-96 Buick Century/Olds Cutlass
- 1983-86 Ford LTD/Mercury Marquis
- 1982-02 GM F-Body
- 1998-00 Isuzu Amigo
- Rear
- Increase Vehicle Stability
- Improve Steering And Balance
- Improve Braking Effectiveness
- Prevent Bottoming Out
- Maintain A Level Vehicle
- Keep Headlights Aimed On The Road
- Reduce Tire Wear
Firestone Coil-Rites mount inside the coils of an existing coil-spring suspension to boost vehicles when they need it most. Constructed from durable polyurethane, they allow for adjustable spring rates that are far superior to those of standard coil springs. Installing them will allow your suspension to support an additional 500 to 1,000 lbs. per set. Installation does not require drilling.
Features:
- Specially designed for coil spring equipped vehicles
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- Controllable air pressure for the perfect ride, as easy to adjust as inflating a tire
- Capable of handling up to an extra 1000 lbs, depending on application
Part TypeAir Helper Spring
Product LineFirestone Coil-Rite Air Helper Springs
BrandFIRESTONE
Package Height9.2
Package Width9.6
Package Length11.6
Weight2.49 PG
Part CategoryPerformance Parts
PositionRear
Part FitmentDirect Fit
Vendor Part NumberW237604103
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
