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The QA1 fabricated 9-inch rear housing for 1967–1970 Ford Mustang is purpose-built to integrate with QA1 4-link suspension systems, delivering improved strength, precise suspension geometry and bolt-in installation without cutting or welding. Features include fully formed trailing arm brackets to reduce flex, integrated jack pad and fill/drain ports, 31-spline alloy axles rated to support high horsepower builds, and a durable powder-coat finish for corrosion resistance.
QA1 67-70 Ford Mustang 9in Standard Rear Axle Assembly
