QA1 Coilover 4 Link R223-130STake your 19641966 Mustangs rear suspension to the next level with QA1s fully engineered 4 link and 9 inch housing system. This complete kit replaces outdated leaf springs with a modern triangulated 4 link and double adjustable coilovers giving you full control over ride quality, stance, and handling. Designed for street performance, autocross, or restomod builds, its a serious performance upgrade that fits like it belongs there. BUILT FOR PERFORMANCE
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