Swift Springs Standard Coilover Spring (Bulletproof) - ID: 2.55" / Length: 16" Spring Rate (lbs/inch):150 If your original suspension for

If your original suspension for the 2009-2015 Audi TTS is too hard for your everyday life

Whether you track your VB WRX on weekends or log daily miles

If you've outgrown entry-level lowering springs and want a real coilover system that rewards a harder-driven G25

2005 Nissan 350Z Convertible

30-Way Damping Adjustment – Fine-tune your suspension stiffness and response for a customized driving experience

Swift Springs Standard Coilover Spring (Bulletproof) - ID: 2.55" / Length: 16" Spring Rate (lbs/inch):150 If your original suspension forSwift Springs Bulletproof Series Coilover Springs in 2. 55" ID and 16" length are purpose built for applications that put more stress on a spring than conventional use. Developed after years of research specifically to meet the unique demands of circle track racers, these 2. 55" ID Swift Bulletproof springs are manufactured in Japan from proprietary H5S. TW high tensile alloy steel with enhanced durability for the extreme loading conditions found in