Hyperco Rear Spring 5in ID 16in Tall 18SNU-100

A properly tuned rear spring is foundational to suspension geometry and weight transfer—directly impacting cornering grip, braking stability, and overall vehicle balance. The Hyperco 18SNU-100 delivers a moderate 100 lb/in rate that works across street-performance and road-racing applications, providing predictable compliance without compromising control. Whether you're fine-tuning an existing setup or building a suspension from the ground up, this conventionally-wound coil spring gives you the consistency and durability required for repeated track duty.

• 100 lb/in spring rate
• 5.0 inch outer diameter
• 16 inch total length
• Conventional coil design
• Rear application
• Blue powder coat finish
• Sold individually
• Hyperco quality construction