QA1 Pro Coil Front Coil-Over System - Single Adjustable - 1967-1973 Ford Mustang (10in x 400lb/in)

Fits 1967-1973 Ford Mustang (Base, Boss, Grande, Mach 1, and Shelby models).

The QA1 Pro Coil System provides a precision front suspension upgrade for classic Mustangs, combining damping adjustability with ride height control. This single-adjustable system allows you to fine-tune both compression and rebound simultaneously via 18 distinct settings, making it easy to transition from comfortable street cruising to firm, responsive handling. The kit features an aluminum-bodied shock and a 10-inch, 400 lb/in coil spring designed to support restomod and street-performance builds.

Engineered as a direct bolt-in solution, this system requires no welding or major modifications to your chassis. It offers a ride height adjustment range from factory stock down to 2 inches lower, allowing you to achieve the perfect stance while improving suspension geometry and tire fitment.

• Damping Control: Single adjustable knob with 18 settings for simultaneous rebound and compression tuning.
• Spring Specs: 10-inch length with a 400 lb/in spring rate, ideal for street performance.
• Premium Materials: Lightweight aluminum shock bodies and powder-coated springs for long-term durability.
• Ride Height Range: Adjusts from factory height to -2 inches.
• Installation: Bolt-in design; compatible with factory or QA1 tubular control arms.
• MPN: MS402-10400C