Brand: QA1 Precision Products Inc
QA1 Front MS401-10400C Pro Coil-Over System, 1964-66 Compatible with Mustang, 400
QA1 Pro Coil-Over System is compatible with 1964-66 Mustang models.
Currently out of stock
No hidden fees — taxes included in the price & Free Shipping.
We accept major cards and digital wallets. Additional installment plans, when available, are offered by Shopify at checkout based on order eligibility.
QA1 Front MS401-10400C Pro Coil-Over System, 1964-66 Compatible with Mustang, 400
QA1’s Pro Coil System upgrades your classic Mustang’s suspension.
Designed for 1964–1966 Mustangs, this coilover kit is single adjustable and offers ride quality, modern handling, and stance adjustability in a straightforward, bolt-in package.
It features a 10” coil spring with a 400 lb./in.
rate, making it an excellent choice for street-driven cars and restomods that require sharper handling and improved control.
Factory suspension designs limit performance and calibrating.
QA1’s single adjustable coilovers allow you to fine-calibrate compression and rebound with 18 adjustment settings.
With one knob, you can firm it up for aggressive driving or soften the ride for cruising, giving you flexibility to match your Mustang’s style.
This system allows you to adjust ride height from factory stock height down to 2” lower.
Whether you’re aiming for a lower stance or keeping an original look, QA1 Pro Coils let you achieve the right height without sacrificing drivability or suspension geometry.
No cutting or welding is required for installation.
QA1 designed this system as a direct bolt-in replacement that installs with basic hand tools, making it a perfect upgrade for DIY enthusiasts.
Key Features
Specifications
- Length
- 29.13 lb
- Width
- 14.13 lb
- Height
- 9.13 lb
- Weight
- 24.8 lb
- ASIN
- B083M8W46M
- UPC
- 806990158499
- Ships From
- United States
- Brand
- QA1 Precision Products Inc
Frequently Asked Questions
About QA1 Front MS401-10400C Pro Coil-Over System, 1964-66 Compatible with Mustang, 400
01 What is the spring rate of the coil springs?
The coil springs have a 400 lb./in. spring rate.
02 What models is the QA1 Pro Coil-Over System compatible with?
It is compatible with 1964-66 Mustang models.
03 How much can the ride height be adjusted?
The ride height can be adjusted from factory stock height down to 2” lower.
04 What is the ASIN for this product?
The ASIN for this product is B083M8W46M.
05 What is the UPC / barcode for this product?
The UPC/barcode for this product is 806990158499.
06 Where does this ship from?
Orders ship from our fulfillment center in Dover, Delaware, USA.
07 How many days will it take to arrive?
Orders ship within 1-2 business days and typically arrive within 4-5 business days via free standard shipping -- usually by Sep 4.
08 Does this product accept returns?
Yes -- this item can be returned within 15 days of delivery for a free return by mail. See our return policy for full details.
Special Offer
QA1 Front MS401-10400C Pro Coil-Over System, 1964-66 Compatible with Mustang, 400
Get 5% off this item today — code TRY5 at checkout.
$890.34
View Product