Suspension and Components› Shocks, Struts, Coil-Overs and Components
QA1 Precision Products, Inc
QA1 64-66 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 350lbs/in - Aluminum
SKU: Q00B MD401-10350C
Moderate — 2–4 hours
Description
Part #: MD401-10350C
Take your classic Mustang's suspension to the next level with QA1's Pro Coil System. Engineered specifically for 1964-1966 Mustangs, this double adjustable coilover kit gives you complete control over ride quality, stance, and performance. Featuring 10" coil springs with a 350 lb./in. spring rate, it's an ideal setup for drivers who want a balance of comfort and handling with full adjustability for any driving situation. TOTAL SUSPENSION CONTROL QA1 double adjustable coilovers allow independent adjustment of rebound and compression. With 18 clicks for each, you can precisely tune how your Mustang reacts to bumps, corners, and acceleration. Whether you're cruising, carving corners, or dialing in track settings, this system gives you unmatched control. RIDE HEIGHT FLEXIBILITY Fine-tune your Mustang's stance with adjustable ride height from factory stock height down to 2" lower. Achieve the aggressive look you want while maintaining proper suspension geometry for predictable handling. EASY BOLT-IN INSTALLATION QA1 designed this system as a direct bolt-in replacement. No welding, no cutting - just straightforward installation with standard tools. Perfect for DIY enthusiasts and builders who want modern performance without fabrication.
Features:
- Application-specific fit for 1964-1966 Ford Mustangs
- Double adjustable shocks with 18 settings each for rebound and compression
- Includes 10" coil springs with a 350 lb./in. spring rate
- Ride height adjustable: factory to -2"
- Direct bolt-in installation - no welding required
- Powder-coated springs and premium hardware for durability
- Complements QA1 control arms and sway bars for a complete suspension solution
Front Pro Coil double adjustable stock mount shock kit. Includes 10" spring with rating of 350 and a flat end.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | QA1 Precision Products, Inc |
| Part Number | Q00B MD401-10350C |
Videos
HOW TO Assemble a QA1 Coilover!! #coilovers #autocross #suspension #mechanic #techtips
How To Adjust Coil-Over Ride Height
Adjusting Your Coilover Spring Seat: What Does It Do? | QA1 Tech
Mustang II Front Suspension Tips & Tricks | QA1 Tech
Debunking the Coil-Over Myth: Smooth Rides & Maximum Performance!
What Spring Rate Do I Need? - QA1 Quick Tip
Will Raising the Spring Seat Stiffen My Ride? - QA1 Quick Tip
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy