12in x 2.5in x 130# Coil Spring

The 12in x 2.5in x 130# Coil Spring from Chassis Engineering is a precision suspension component designed for street and road-race applications where consistent spring rate and durability are essential. This coil spring is ideal for those looking to build a custom lowered stance, tune a track-focused suspension geometry, or replace worn OEM springs.

Manufactured from high-carbon alloy steel, this 130-pound-rate coil spring is wound and tempered to maintain its performance under repeated compression cycles. The specifications of 12-inch free length and 2.5-inch outer diameter require careful integration into your specific suspension architecture, ensuring that it delivers controlled compliance for balanced handling and predictable wheel travel.

This spring is particularly beneficial for independent front-end designs and solid-axle rear setups across American muscle cars and import platforms. With a weight of 2.9 lbs per spring, it offers a minimal weight penalty while ensuring predictable body control, reduced dive under braking, and improved grip during cornering. For optimal performance, it is recommended to pair this spring with matching dampers tuned for the 130 lb/in rate.