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SKU: 8MB600 / UPC: 806990026293
QA1 3-1/2" ID Tapered Coil Spring – 8" Length x 600 lbs/in (Chrome Plated)
Add both style and performance to your suspension with the QA1 8MB600 Tapered Coil Spring. This 8-inch long spring features a 3-1/2" inside diameter and a 600 lbs/in rate, making it an excellent choice for hot rods, street rods, classics, and custom builds. Finished in a brilliant chrome plating, these springs deliver a striking appearance while providing consistent, reliable performance. Designed specifically for QA1 Mustang II coil-over conversion systems (with a lower 2.5" ID), they offer the perfect combination of form and function.
Key Features
- Chrome Plated Finish – Premium, high-shine appearance for show-quality builds
- Tapered Design – 3-1/2" upper ID and 2.5" lower ID for Mustang II coil-overs
- 600 lbs/in Rate – Ideal spring rate for many performance and custom applications
- 8" Free Length – Optimized for QA1 coil-over systems
- High-Quality Construction – Precision-wound for consistent performance
- Lifetime Guarantee – Remains within 2% of original free height and rate
Specifications
| Detail | Value |
|---|---|
| Brand | QA1 |
| Type | Tapered Coil Spring |
| Inside Diameter (Upper) | 3-1/2 inches |
| Inside Diameter (Lower) | 2.5 inches |
| Free Length | 8 inches |
| Spring Rate | 600 lbs/in |
| Finish | Chrome Plated |
| Application | QA1 Mustang II Coil-Over Systems |
| Country of Origin | United States |
| Warranty | QA1 Lifetime Guarantee |
Whats Included
- One (1) QA1 Chrome Tapered Coil Spring
Product Notes
- Sold individually (most coil-over setups require 2 springs)
- Designed for use with QA1 Mustang II coil-over shocks
- Professional installation is recommended
This Part Fits
| Application | Notes |
|---|---|
| QA1 Mustang II Coil-Over Systems | Hot Rods, Street Rods, and Custom Builds |
| Performance Suspension Setups | Where style and precise spring rates are required |
Why Choose QA1?
- Leading manufacturer of high-performance suspension components
- Precision-engineered springs with consistent rates and outstanding durability
- Lifetime guarantee on spring height and rate under normal use
- Trusted by builders of hot rods, street rods, and race vehicles
Frequently Asked Questions
- Q: Is this spring sold individually or as a pair?
- A: This is sold as a **single spring**. Most applications require two springs.
- Q: What coil-over system is this designed for?
- A: It is specifically designed for QA1 Mustang II coil-over conversion systems.
- Q: What does the chrome plating provide?
- A: A brilliant, show-quality appearance along with excellent corrosion resistance.
- Q: Is professional installation required?
- A: Yes. Proper installation and spring rate selection are critical for safety and performance.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure QA1 retail packaging
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