JBG coils are manufactured from Spec 5160 spring steel. Our spring design gives you the desired ride height increase with minimal effect on ride quality.
These coils are preset solid (fully compressed and stressed in the manufacturing process) to minimize settling.
475 lbs per inch free standing (Unloaded) height: about 23-3/4 inches 5.5" wide
Fits the following:
1978, 1979 Ford Bronco
1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979 F100 4x4 and F150 4x4
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