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 450lbs/in - Aluminum
SKU: Q00B MD401-10450C
Moderate — 2–4 hours
Description
Part #: MD401-10450C
Unlock maximum performance and adjustability for your classic Mustang with QA1's Pro Coil System. Designed specifically for 1964-1966 Mustangs, this double adjustable coilover kit gives you total control over ride quality, stance, and handling. Featuring 10" coil springs with a 450 lb./in. spring rate, this setup is perfect for aggressive street performance and track-style handling. COMPLETE TUNING CONTROL QA1 double adjustable shocks provide independent rebound and compression adjustment, with 18 clicks each. This lets you precisely tune how your Mustang responds to bumps, body roll, and cornering forces. Whether you're dialing in settings for cruising, carving corners, or competition driving, you'll have full suspension control at your fingertips. CUSTOMIZABLE RIDE HEIGHT Achieve the stance you want with ride height adjustment from factory stock height down to 2" lower. Perfect for lowering your Mustang for a more aggressive look or fine-tuning ride height to match wheels, tires, or handling preferences. EASY BOLT-IN INSTALLATION No cutting. No welding. The QA1 Pro Coil System bolts directly into place, making it a straightforward upgrade that delivers modern suspension performance without fabrication.
Features:
- Application-specific fit for 1964-1966 Ford Mustangs
- Double adjustable shocks with 18 clicks each for rebound and compression
- Includes 10" coil springs with a 450 lb./in. spring rate
- Ride height adjustable: factory to -2"
- Direct bolt-in installation - no welding required
- Premium powder-coated springs and durable hardware
- Works seamlessly with QA1 tubular control arms and sway bars
Front Pro Coil double adjustable stock mount shock kit. Includes 10" spring with rating of 450 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 MD401-10450C |
Videos
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