QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Aluminum - MD402-10400C

Bring modern suspension technology to your classic Mustang with QA1’s Front Pro Coil System. Designed for 1967–1973 Mustangs, this double adjustable coilover kit delivers unmatched handling, ride quality, and stance control. Featuring 10” coil springs with a 400 lb./in. rate, it provides the ideal balance for performance street cars and restomod builds, giving you precision tuning for both comfort and control. PRECISION HANDLING & ADJUSTABILITY QA1’s double adjustable coilovers feature independent rebound and compression controls with 18 clicks each. This allows you to fine-tune your Mustang’s ride and handling for daily driving, spirited cruising, or track use - giving you total control over how your car feels on the road. RIDE HEIGHT FLEXIBILITY Dial in your stance with ride height adjustability from factory stock height down to 2” lower. Perfect for achieving the aggressive look you want while maintaining suspension geometry and drivability. EASY BOLT-IN INSTALLATION No welding or cutting is required. The QA1 Pro Coil System is engineered as a direct bolt-in upgrade, making installation simple with basic tools while delivering professional-level results.
Installation Instructions

• Double adjustable shocks with 18 rebound and 18 compression settings
• Works seamlessly with QA1 tubular control arms and sway bars
• Includes 10” coil springs with a 400 lb./in. spring rate
• Premium hardware and powder-coated springs for durability
• Application-specific fit for 1967–1973 Ford Mustangs
• Easy bolt-in installation - no welding required
• Ride height adjustable: factory to –2”

This Part Fits:

Year	Make	Model	Submodel
1967-1973	Ford	Mustang	Base
1969-1971	Ford	Mustang	Boss 302
1971-1972	Ford	Mustang	Boss 351
1969-1970	Ford	Mustang	Boss 429
1970-1973	Ford	Mustang	Grande
1970-1973	Ford	Mustang	Mach 1
1967-1970	Ford	Mustang	Shelby GT-350
1967-1970	Ford	Mustang	Shelby GT-500
1968	Ford	Mustang	Shelby GT-500KR