The QA1 chrome coil-over spring is a 2-1/2 inch inside diameter spring with a 12 inch free length and a 300 lb/in spring rate. It carries a high-luster chrome plated finish for a clean, polished appearance and is built to fit QA1 coil-over shocks and other coil-over systems that use standard 2-1/2 inch inside diameter springs. It is backed by a lifetime guarantee to stay within 2 percent of its original rate and free height under normal use.
Specifications:
- Type: coil-over spring
- Inside diameter: 2-1/2 in
- Free length: 12 in
- Spring rate: 300 lb/in
- Finish: chrome plated, high luster
- Fitment: QA1 coil-over shocks and other 2-1/2 in ID coil-over systems
- Lifetime guarantee within 2% of original rate and free height
- Part number: 12CS300
FAQ
What size is the QA1 12CS300 spring?
It has a 2-1/2 inch inside diameter, a 12 inch free length, and a 300 lb/in spring rate.
What finish does the QA1 12CS300 spring have?
It has a high-luster chrome plated finish.
What does the spring fit?
It is designed for QA1 coil-over shocks and other coil-over systems that use standard 2-1/2 inch inside diameter springs.
Is the QA1 12CS300 spring guaranteed?
Yes. It carries a lifetime guarantee to remain within 2 percent of its original free height and rate under normal operating conditions.

