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Skyjacker progressive dual-rate 3in front coil springs for 1966–1977 Ford Bronco 4WD use a two-stage flex-to-ride rate to improve articulation while preserving street manners. Built from SAE9254 spring steel with shot peening and preset solid height, these long-travel coils are powder coated for corrosion resistance and engineered for bolt-on, direct-fit installation while maintaining suspension geometry.
Skyjacker 66-77 Ford Bronco 4WD 3in Front Dual Rate Coil Springs
