Description
A properly matched rear spring is fundamental to suspension geometry and handling balance. The Platinum PR1300 delivers a 125 lb/in rate engineered for vehicles requiring responsive, predictable rear-end control without excessive compliance. Whether you’re tuning a road course setup or dialing in consistent lap times, this coil spring provides the foundation for repeatability and confidence under load.
- Spring Type: Coil
- Position: Rear Axle
- Length: 13 inches
- Outside Diameter: 5.0 inches
- Spring Rate: 125 lb/in
- Material: Platinum Grade
- Finish: Silver Powder Coat
- Design: Conventional (Linear)
- Quantity: Single Spring
- MPN: PR1300.500.0125









