Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
FREE 1 to 3-Day Delivery on Orders $149+ Details
QA1 Single Adjustable Rear Coil-Over Conversion Kit; 130 lb./in. Spring Rate (79-04 Mustang, Excluding 99-04 Cobra)Find parts that fit my vehicle
Item 439282
Our Price
$951.45 kit
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Upgrade Mustang Rear Suspension With Bolt-In Coil-Over Conversion Kit
- Includes Precision-Machined Mounting Brackets
- Adjustable Aluminum Shocks And Springs Included
- Fully Threaded Aluminum Shock Body Allows Up To 2" Lowering From Stock Height
- 18-Way Single-Adjustable Shocks Suitable For Both Street And Track Use
- Simple Knob Adjusts Ride Comfort And Shock Damping
- Easy Bolt-In Installation With All Necessary Hardware Included
- Best-In-Class Lifetime Warranty Provided
- Fits 1979-2004 Mustang, Excluding 1999-2004 Cobra IRS Models
Description
Rear Coil Shock System. The QA1 Rear Pro-Coil S-Adj is engineered to upgrade your Mustang's rear suspension by replacing the stock shocks and springs with a fully adjustable coil-over system. This enhances ride quality, handling, and allows customizable ride height and shock damping tailored for street or track conditions. Its bolt-in design and straightforward construction make it an effective upgrade for automotive enthusiasts seeking improved rear suspension performance.
Construction and Appearance. Featuring a fully threaded aluminum shock body, the coilovers deliver strength and corrosion resistance. Precision-machined mounting brackets and high-quality springs ensure durability and responsive suspension performance. The anodized aluminum finish provides both visual appeal and environmental protection.
Installation. The kit installs easily with a bolt-in process that requires no drilling or vehicle modifications, making it suitable for both professional installers and experienced enthusiasts.
Warranty. This coil shock system is backed by a best-in-class lifetime warranty, offering long-term coverage and peace of mind.
Application. Compatible with 1979 to 2004 Ford Mustangs, excluding Cobra IRS models from 1999 to 2004, ensuring precise fitment and reliable performance in these vehicles.
QA1 RCK52402
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (2) Rear Single Adjustable Coil-Over Shocks
- (2) Coil Springs With 130 lb./in. Spring Rate
4.6
Reviews of QA1 Suspension Products (124)
Questions & Answers
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Will It Fit My Mustang
- Bullitt - 01
- Cobra - 81, 93, 94, 95, 96, 97, 98
- Cobra R - 93, 95, 00
- GT - 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
- LX - 87, 88, 89, 90, 91, 92, 93
- Mach 1 - 03, 04
- Other - 79, 80, 81, 82, 83, 84, 85, 86
- V6 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
