QA1 64-66 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Aluminum
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to QA1, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with QA1, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
Not sure it fits? Read our tips.
Fitment tips
Fitment can come down to more than year, make and model. Sometimes the sub-model decides, so start with the fitment table below.
- Drive type. If your car is all-wheel drive, make sure the part is for all-wheel drive, not rear-wheel drive.
- Engine size. For engine parts, make sure the engine size on the product matches your engine.
- Transmission. Manual and automatic cars often take different parts.
- Body style. Sedan or hatch, two-door or four-door, cab and bed length on trucks.
Manufacturer data can sometimes have imperfections. Still not sure? We are happy to help.
Send us a message and we will confirm the fit.
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Bring modern suspension performance to your classic Mustang with QA1’s Pro Coil System. Specifically designed for 1964–1966 Mustangs, this double adjustable coilover kit delivers full control over ride quality, stance, and handling. With 10” coil springs rated at 400 lb./in., this setup strikes the ideal balance between ride comfort and sharper performance for aggressive street driving or entry-level competition builds. FULL CONTROL WITH DOUBLE ADJUSTABILITY QA1’s double adjustable shocks feature independent rebound and compression control with 18 clicks each. This allows you to fine-tune how your Mustang handles bumps, weight transfer, and cornering grip. Whether you’re cruising, carving backroads, or setting up for a track day, this system puts you in complete control. RIDE HEIGHT FLEXIBILITY Easily dial in the perfect stance with ride height adjustment from factory stock height down to 2” lower. Lower your Mustang for an aggressive look, improve handling balance, or fine-tune for wheel and tire clearance without sacrificing geometry. EASY BOLT-IN INSTALLATION No welding, no cutting. The Pro Coil System installs with basic hand tools as a direct bolt-in upgrade, making it an accessible DIY-friendly solution for classic Mustang owners.
Installation Instructions- Pairs perfectly with QA1 tubular control arms and sway bars for a complete suspension system
- Premium powder-coated springs and high-quality hardware for long-lasting durability
- Double adjustable shocks with 18 rebound and 18 compression settings
- Includes 10” coil springs with a 400 lb./in. spring rate
- Application-specific fit for 1964–1966 Ford Mustangs
- Direct bolt-in installation - no welding required
- Ride height adjustable: factory to –2”
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1964-1966 | Ford | Mustang | Base |
| 1965-1966 | Ford | Mustang | Shelby GT-350 |
| 1966 | Ford | Mustang | Shelby GT-350H |
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