The QA1 8MB600 is a chrome silicon Mustang II Pro Coil spring with a 600 lb/in rate and an 8 in free length. It has a 3-1/2 in upper inner diameter and a 2-1/2 in lower inner diameter, with the first coil tapered. The spring is polished and chrome plated for appearance and is cold wound, heat treated, and shot peened for strength and consistency. It is backed by a lifetime guarantee to stay within 2 percent of the original free height and rate under normal use.
Specifications:
- Type: Mustang II Pro Coil spring
- Spring rate: 600 lb/in
- Free length: 8 in
- Upper inner diameter: 3-1/2 in
- Lower inner diameter: 2-1/2 in
- First coil tapered
- Material: chrome silicon steel
- Finish: polished chrome plated
- Warranty: lifetime guarantee within 2 percent of original free height and rate
- Part number: 8MB600
FAQ
What is the spring rate of the QA1 8MB600?
The QA1 8MB600 is rated at 600 lb/in.
What are the dimensions of the 8MB600 spring?
It has an 8 in free length, a 3-1/2 in upper inner diameter, and a 2-1/2 in lower inner diameter.
Is the 8MB600 a tapered spring?
Yes. The first coil is tapered, consistent with QA1 Mustang II Pro Coil springs.
What finish does the QA1 8MB600 have?
It is polished and chrome plated.
Is the QA1 8MB600 covered by a warranty?
Yes. It carries a lifetime guarantee to remain within 2 percent of the original free height and rate under normal operating conditions.

