Description
A properly tuned rear spring is foundational to consistent lap times and predictable handling characteristics. The Hyperco 18SN-225 delivers a 225 lb/in rate that strikes the balance between compliance and support, making it ideal for street-strip applications and road course setups. With a compact 5-inch bore and 11-inch package, this conventional coil spring slots into tight suspension geometries without sacrificing performance or longevity.
- Spring Rate: 225 lb/in
- Inner Diameter: 5.0 inches
- Compressed Length: 11.0 inches
- Type: Conventional coil
- Position: Rear axle
- Material: High-tensile steel
- Finish: Blue powder coat
- Quantity: Single spring






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