Conventional Spring 9.5in x 5in x 450#

The Conventional Spring 9.5in x 5in x 450# by Swift Springs is designed for suspension builders and performance enthusiasts engaged in custom vehicle projects, restorations, and handling enhancements. This coil spring is ideal for applications where precise load ratings and dimensions are crucial for achieving predictable suspension geometry.

Featuring a 450-pound spring rate per inch of compression, a free length of 9.5 inches, and a coil diameter of 5 inches, this conventional (linear-rate) spring is perfect for mid-range suspension setups. Its quality steel construction ensures minimal harmonic vibration and consistent interaction with shock absorbers, allowing for straightforward tuning and adjustment of preload.

Builders working on street rods, vintage muscle car restorations, and custom lowering kits will find this spring particularly beneficial. Its design allows for direct control over suspension behavior, making it an excellent choice for those looking to enhance their vehicle's performance without the complexity of progressive or variable-rate designs.