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QA1 HS03-12200 Proma Star coilover kit full view - Primary
QA1 HS03-12200 Proma Star coilover kit full view - Close Up
QA1 HS03-12200 Proma Star coilover kit full view - Close Up
QA1 HS03-12200 Proma Star coilover kit full view - Close Up
QA1 HS03-12200 Proma Star coilover kit full view - Close Up
QA1 HS03-12200 Proma Star coilover kit full view
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QA1 79-04 Ford Mustang 12-130 Kit Rear Pro-Coil S-Adj

QA1
QAPRCK52402
806990174475
Coilovers
Out of stock
$ 958.22 $ 864.95

SKU: RCK52402   |   UPC: 806990174475


QA1 Rear Pro-Coil Single Adjustable Kit – 1979-2004 Ford Mustang

The QA1 rear Pro-Coil single adjustable conversion kit for 1979-2004 Ford Mustang. Bolt-in design with adjustable aluminum shocks, tuned springs, and mounting brackets delivers ride height adjustability up to 2 inches, superior handling, and customizable damping the ultimate rear suspension upgrade for any Fox Body or SN95 Mustang street, drag, or track build.

Key Features

  • Single Adjustable Shocks – 18-way adjustable damping for tuning from street comfort to track performance
  • Ride Height Adjustable – Fully threaded body allows up to 2 inches of drop from stock for perfect stance
  • Bolt-In Installation – Complete kit with custom mounting brackets and hardware for easy direct fit
  • Tuned Spring Rates – Matched springs optimized for Mustang rear suspension dynamics
  • Lightweight Aluminum Shocks – Reduced unsprung weight for faster response and better handling
Spec Detail
Part Number RCK52402
Brand QA1
Type Rear Pro-Coil Single Adjustable Kit
Adjustability Single Adjustable (18-way)
Drop Range Up to 2 inches from stock
Compatibility 1979-2004 Ford Mustang (Fox Body & SN95)
Fitment Note Does not fit Cobra IRS models
Country of Origin United States
Warranty QA1 Limited Lifetime

Whats Included

  • Pair of QA1 Single Adjustable Rear Coil-Over Shocks
  • Tuned springs
  • Custom mounting brackets
  • All necessary hardware
  • Installation instructions

Product Notes

  • Direct bolt-in conversion for 1979-2004 Ford Mustang (does not fit Cobra IRS)
  • Improves handling, traction, and stance with adjustable damping and height
  • Ideal for street performance, autocross, drag racing, or track use

Installation Notes

  • Easy bolt-in installation with included brackets
  • Estimated time: 4–6 hours
  • Professional installation and alignment highly recommended

This Part Fits

Year Range Make Model Trim / Engine Notes
1979-2004 Ford Mustang All trims (Fox Body & SN95) Rear coil-over kit – does not fit Cobra IRS

Why Choose QA1 Pro-Coil Kits?

  • #1 choice for adjustable coilover conversions on classic Mustangs
  • Built & tested in the United States
  • Chosen by Mustang owners and racers for tuning flexibility and durability

Frequently Asked Questions

  • Q: Does this fit my 1999 Mustang GT?
    A: Yes, direct bolt-in for 1979-2004 Ford Mustang (does not fit Cobra IRS).
  • Q: Can I adjust the damping?
    A: Yes, single adjustable valving with 18-way knob for custom tuning.
  • Q: How much drop can I get?
    A: Up to 2 inches from stock height with threaded body adjustment.

Shipping & Handling

  • Method: Ground UPS or FedEx
  • Availability: In stock – ships same or next business day
  • Packaging: Official QA1 retail box

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
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