QA1 64-66 Ford Mustang Pro Front Coil-Over System - Single Adj. - 10in x 400lbs/in - Aluminum

Upgrade your classic Mustang’s suspension with QA1’s Pro Coil System. Engineered for 1964–1966 Mustangs, this single adjustable coilover kit offers modern handling, ride quality, and stance adjustability in a straightforward, bolt-in package. Featuring a 10” coil spring with a 400 lb./in. rate, it’s an excellent choice for restomods and street-driven cars that need sharper handling and improved control. MODERN HANDLING & CONTROL Factory suspension designs limit tuning and performance. QA1’s single adjustable coilovers let you fine-tune rebound and compression together with 18 adjustment settings. With one knob, you can soften the ride for cruising or firm it up for aggressive driving, giving you the flexibility to match your Mustang’s style. RIDE HEIGHT FLEXIBILITY This system allows you to adjust ride height from factory stock height down to 2” lower. Whether you’re keeping an original look or going for a lower stance, QA1 Pro Coils let you achieve the right height without sacrificing suspension geometry or drivability. EASY BOLT-IN INSTALLATION No welding or cutting required. QA1 designed this system as a direct bolt-in replacement that installs with basic hand tools, making it a perfect upgrade for DIY enthusiasts. Front Pro Coil single adjustable stock mount shock kit. Includes 10" spring with rating of 400 and a flat end. FITMENT NOTES: Fits 1964–1966 Ford Mustangs: Ride height adjustable: factory to –2”: Includes single adjustable shocks and 10” 400 lb./in. springs: Works with factory control amrs or QA1 tubular control arms and sway bars: Bolt-in installation — no welding required

• Complements QA1 tubular control arms and sway bars for a complete system
• Powder-coated springs and premium hardware for long-term durability
• Single adjustable shocks with 18 rebound/compression settings
• Includes 10” coil springs with a 400 lb./in. spring rate
• Application-specific fit for 1964–1966 Ford Mustangs
• Easy bolt-in installation - no welding required
• Adjustable ride height: factory to –2”

Upgrade the front suspension of your 1964–1966 Ford Mustang with the QA1 QAPMS401-10400C Pro Coil System. Designed as a direct bolt-in solution, this single adjustable coilover kit delivers improved handling, ride control, and ride-height flexibility for classic Mustangs, restomods, and street-driven performance builds. The kit includes a 10-inch coil spring with a 400 lb./in. spring rate and flat end, providing a balanced foundation for sharper response and more confident cornering.
The single adjustable QA1 shocks feature 18 rebound and compression settings, allowing you to tune suspension behavior with one convenient adjustment knob. Select a softer setting for comfortable cruising or increase damping control for spirited driving and improved body control. Ride height is adjustable from the factory position to 2 inches lower, helping you achieve the desired stance while maintaining practical drivability and suspension geometry.
The QA1 Pro Coil System is engineered for installation with basic hand tools and requires no welding or cutting. It works with factory control arms or QA1 tubular control arms and sway bars, making it a flexible choice for both lightly modified and comprehensive suspension upgrades. Powder-coated springs and premium hardware support long-term durability, while the application-specific design ensures a proper fit for 1964, 1965, and 1966 Ford Mustang models. This front coilover system combines modern suspension adjustability with a straightforward installation for a more capable classic Mustang.

Features:

• Application-specific fit for 1964–1966 Ford Mustang

• Single adjustable shocks with 18 rebound and compression settings

• Includes 10-inch coil springs with a 400 lb./in. spring rate and flat end

• Adjustable ride height from factory height to 2 inches lower

• Direct bolt-in installation with no welding or cutting required

• Compatible with factory control arms or QA1 tubular control arms and sway bars

• Powder-coated springs and premium hardware for durable performance

Fitment:
Ford Mustang Base 1964
Ford Mustang Base 1965
Ford Mustang Base 1966
Ford Mustang Shelby GT-350 1965
Ford Mustang Shelby GT-350 1966
Ford Mustang Shelby GT-350H 1966