Description
A properly tuned front spring is fundamental to suspension geometry and handling balance—this Hyperco unit delivers a stiff 300 lb/in rate in a compact 9.5-inch package, ideal for road racing and autocross applications where consistent spring curve and minimal deflection matter. Whether you’re fine-tuning an existing setup or building a dedicated track car, this conventional coil spring integrates seamlessly into most front suspensions and provides the predictable load response that separates competitive setups from compromised ones. The blue powder coat finish resists corrosion while the 5-inch inner diameter ensures compatibility with standard shock bodies.
- Spring Rate: 300 lb/in
- Installed Length: 9.5 inches
- Inner Diameter: 5.0 inches
- Type: Conventional coil
- Application: Front suspension
- Finish: Blue powder coat
- Quantity: Single spring
- Installation: Bolt-on compatible
- MPN: 18Y0300






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