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The ST Muscle Car springs for Ford Mustang and Mercury Capri (up to 1989) deliver a tuned spring rate that harmonizes with factory dampers to restore more direct handling in classic muscle applications. Made from chrome silicon steel, cold‑wound and multi‑tempered with an epoxy finish to OEM standards, these springs reduce body roll, improve cornering stability and retain compatibility with original shock absorbers.
ST Muscle Car Springs Ford Mustang /Mercury Capri Up to 1989
