Strut Kit Mustang 79-89 Double Adj w/Spring

The QA1 Strut Kit for Mustang 79-89 Double Adjustable with Spring is purpose-built for first and second-generation Fox-body Mustang owners seeking precision front-end geometry control and ride quality upgrades. This kit addresses the limitations of aging OEM strut assemblies, which lose damping effectiveness and allow excessive chassis movement under acceleration, braking, and cornering loads. Whether you're building a street machine, preparing for autocross competition, or restoring a classic pony car to modern handling standards, this strut kit delivers adjustable suspension tuning without requiring complete frame modifications.

QA1's double-adjustable damper design allows independent tuning of compression and rebound damping, letting you dial in the perfect balance between ride comfort and cornering response for your specific driving style and road surface. The integrated coil spring eliminates the need for auxiliary spring hardware, simplifying installation while reducing unsprung weight. Precision-engineered internals and high-quality rod seals ensure consistent performance across thousands of heat cycles, whether you're cruising boulevard or pushing lateral g-forces on the track. The complete assembly is engineered to work within factory mounting points, preserving your Mustang's structural integrity while dramatically improving suspension response and predictability.

Enthusiasts upgrading 1979–1989 Mustangs will notice immediate improvements in front-end geometry stability, reduced body roll, and sharper turn-in response once these struts are properly valved to match your vehicle's weight distribution and driving demands. Installation requires basic suspension knowledge and proper spring compression tools; most shops can complete fitment in 2–4 hours per side. The kit's modular damping adjustment means you can fine-tune performance as you add other suspension components—anti-roll bars, control arm bushings, or brake upgrades—without replacing hardware, making it an ideal foundation for any handling-focused build on these iconic platforms.