Installation Time
(approx) 6 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
FREE 1 to 3-Day Delivery on Orders $149+ Details
QA1 Double Adjustable Rear Coil-Over Conversion Kit; 175 lb./in. Spring Rate (79-04 Mustang, Excluding 99-04 Cobra)
Find parts that fit my vehicle Item 439250
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Improve Mustang Suspension With Bolt-In Rear Coil-Over Conversion Kit
- Includes Specially Designed Mounting Brackets, Adjustable Aluminum Shocks, Springs, And Hardware
- Fully Threaded Aluminum Body Allows Up To 2” Lowering From Stock
- Double-Adjustable Shock Valving For Independent Rebound And Compression Tunability
- Fine-Tune Suspension For Street Or Track Performance
- Easy Bolt-In Installation Ensures Trouble-Free Compatibility
- Best In-Class Lifetime Warranty Available Upon Registration
- Spring Rate Of 175 Lb/In Included
- Fits 1979-2004 Mustang, Excluding 1999-2004 Cobra With IRS
Description
Performance Suspension Upgrade. The QA1 Double Adjustable Rear Coil-Over Conversion Kit with a 175 lb./in. spring rate significantly enhances rear suspension performance for improved handling and ride quality. Designed to replace factory components, this kit enables enthusiasts to optimize their Mustang's stance and suspension tuning for both street and track use.
Construction and Appearance. Featuring a fully threaded aluminum body, this coil-over system offers durable, lightweight components with a precision-machined finish. Adjustable aluminum shocks combine robust engineering with a sleek, high-quality appearance that complements performance vehicle undercarriages.
Installation. Installation is straightforward with a bolt-in design that requires no drilling, suitable for most enthusiasts with basic mechanical skills. Included mounting brackets and hardware ensure a secure fit and easy assembly.
Warranty and Application. Backed by a best-in-class lifetime warranty upon registration, this system provides reliable long-term performance. It fits 1979-2004 Mustangs, excluding 1999-2004 Cobra models equipped with IRS due to suspension design incompatibility.
Application. Specifically designed to fit 79-04 Mustang, Excluding 99-04 Cobra.
QA1 RCK52407
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (2) Rear Coil-Over Shocks
- (2) Springs
- Mounting Hardware
4.6
Reviews of QA1 Suspension Products (125)
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
