JBG 3" - 3 ½" coil springs.
JBG coils are manufactured from Spec 5160 spring steel.
JBG 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.
320 lbs per inch
18.5" free length
1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1973, 1974 1975, 1976, 1977 Ford Bronco
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