What kind of adjustability does this coil-over system offer?

This QA1 Pro Coil-Over System is double adjustable, meaning you can independently adjust both rebound and compression. Each parameter has 18 clicks of adjustment, so you can really dial in the ride.

Is any welding or cutting required for installation?

No, this QA1 coil-over system is a direct bolt-in upgrade for 1967-1973 Mustangs. You should be able to install it with basic tools.

What spring rate does this system use?

This coil-over system includes 10-inch springs with a rate of 400 lbs./in. This rate is a good balance for street cars and restomods, offering both performance and a reasonable ride.

QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Aluminum

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Specifications

Brand: QA1
Part #: MD402-10400C
UPC: 806990158673

QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Aluminum

Name: QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Aluminum
Brand: QA1
Price: 1171.52 USD
Availability: InStock

$1171.52

Double adjustable coil-over kit for 1967-1973 Mustangs. Improves handling and lets you dial in your ride height.

Key Features

Double adjustable — fine-tune rebound and compression
10” coil springs with a 400 lb./in. rate — balances performance and comfort
Ride height adjustable — adjust from stock height down to 2” lower
Aluminum construction — reduces weight
Direct bolt-in installation — no welding or cutting required

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

Ford Mustang 1967-1973

Product Details

Bring modern suspension technology to your classic Mustang with QA1’s Front Pro Coil System. Designed for 1967–1973 Mustangs, this double adjustable coilover kit delivers unmatched handling, ride quality, and stance control. Featuring 10” coil springs with a 400 lb./in. rate, it provides the ideal balance for performance street cars and restomod builds, giving you precision tuning for both comfort and control. PRECISION HANDLING & ADJUSTABILITY QA1’s double adjustable coilovers feature independent rebound and compression controls with 18 clicks each. This allows you to fine-tune your Mustang’s ride and handling for daily driving, spirited cruising, or track use - giving you total control over how your car feels on the road. RIDE HEIGHT FLEXIBILITY Dial in your stance with ride height adjustability from factory stock height down to 2” lower. Perfect for achieving the aggressive look you want while maintaining suspension geometry and drivability. EASY BOLT-IN INSTALLATION No welding or cutting is required. The QA1 Pro Coil System is engineered as a direct bolt-in upgrade, making installation simple with basic tools while delivering professional-level results.