Hyperco 1818SB0110 Coil Over Spring ID OD Length - 2.5 5 18

The Hyperco 1818SB0110 is a high-performance coil over spring engineered for racing and high-performance suspension applications. This precision-wound spring features a 2.5-inch inner diameter, 5-inch outer diameter, and 18-inch free length, making it compatible with a wide range of coil over shock systems.

Key Specifications:

• Inner Diameter (ID): 2.5 inches
• Outer Diameter (OD): 5 inches
• Free Length: 18 inches
• Single spring pack
• Precision wound for consistent spring rates

Hyperco springs are manufactured from high-quality chrome silicon steel and are heat-treated for maximum durability and consistent performance. The specialized manufacturing process ensures tight tolerances and uniform spring rates, critical for predictable suspension behavior in demanding motorsports and performance street applications. This spring design allows for fine-tuning of suspension characteristics by adjusting preload and corner weights in coil over shock systems.