Description
A properly tuned suspension starts with the right spring rate, and the QA1 Chrome Coil-Over Spring delivers predictable handling without sacrificing ride quality. The 150 lb/in rate strikes the ideal balance for hot rods and street applications where you need responsive cornering and load control. Built with QA1’s proven engineering and backed by their lifetime guarantee, this spring maintains its performance characteristics season after season.
The 2.5-inch inside diameter integrates seamlessly with QA1 coil-over shocks and most aftermarket coil-over systems, making fitment straightforward. The chrome-plated finish isn’t just for show—it protects against corrosion while delivering the polished aesthetic that serious builds demand. As a bolt-on component, installation is straightforward and pairs perfectly with custom suspension geometry or factory coil-over platforms.
- Spring Rate: 150 lb/in
- Length: 10 inches
- Inside Diameter: 2.5 inches
- Finish: Chrome-plated
- Spring Type: Straight
- Upper Grind: Flat
- Quantity: Single spring
- Guarantee: QA1 Lifetime (±2%)






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