Hyperco 18S-350 Coil-Over Spring lb/in Rate - 350

The Hyperco 18S-350 is a high-performance coil-over spring designed for racing and performance suspension applications. This spring features a 350 lb/in spring rate, making it suitable for various motorsport disciplines and performance street applications.

Key Features:

• 350 lb/in spring rate for precise suspension tuning
• 18 Series coil-over design for compatibility with threaded shock bodies
• Manufactured from high-tensile chrome silicon steel for durability
• Precision wound to tight tolerances for consistent performance
• Black powder-coated finish for corrosion resistance
• Compatible with standard coil-over suspension systems

Hyperco springs are engineered to deliver consistent performance under extreme conditions, providing reliable suspension control for racing and high-performance street vehicles. Each spring is manufactured to exacting standards to ensure proper fitment and predictable handling characteristics.