QA1 Single Adjustable Rear Coil-Over Conversion Kit; 95 lb./in. Spring Rate (79-04 Mustang, Excluding 99-04 Cobra)Find parts that fit my vehicle

Rear Coil-Over Suspension Upgrade. The QA1 Pro-Coil S-Adj is a high-performance rear coil-over conversion kit engineered to dramatically improve handling and ride quality for 1979-2004 Mustangs. It allows drivers to customize their suspension feel for street or track conditions, enhancing overall driving dynamics.

Construction and Appearance. The system utilizes fully threaded aluminum shock bodies with anodized finishes that resist corrosion and provide precise ride height adjustment. Included are high-quality springs with a rate of 95 lb/in and durable mounting brackets fabricated for exact fit and long-lasting reliability.

Installation. Designed for simple bolt-in installation, this kit requires no drilling or extensive modifications, making it accessible to enthusiasts seeking quick upgrades while maintaining factory alignment points.

Warranty. This product includes a best-in-class lifetime warranty when registered through the manufacturer.

Application. Specifically engineered to fit 1979 through 2004 Ford Mustangs, this kit excludes 1999 to 2004 Cobra models due to incompatibility with the independent rear suspension system used on those vehicles.

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