QA1 tapered chrome coil springs provide a clean, polished look for a suspension setup. Featuring an upper 3-1/2in inside diameter and a lower 2-1/2in inside diameter, these tapered springs are designed to fit QA1 Mustang II coil-over conversion systems, making them well suited to hot rods, street rods, and classic builds. Each QA1 spring carries a lifetime guarantee to remain within 2% of the original free height and rate under normal operating conditions.
Specifications:
- Type: tapered coil spring
- Upper inside diameter: 3-1/2in (3.5in)
- Lower inside diameter: 2-1/2in (2.5in)
- Free length: 8in
- Spring rate: 600 lbs/in
- Finish: chrome plated
- Fits QA1 Mustang II coil-over conversion systems
- Lifetime guarantee within 2% of original free height and rate
- Part number: 8MB600
FAQ
What coil-over systems do these tapered springs fit?
They are designed to fit QA1 Mustang II coil-over conversion systems.
What are the inside diameters?
They have an upper 3-1/2in inside diameter and a lower 2-1/2in inside diameter.
What are the free length and spring rate?
This spring has a 8in free length and a 600 lbs/in spring rate.
What finish is used?
It has a high-luster chrome plated finish for a clean, polished appearance.

