Proprietary H5S-TW alloy steel construction: Delivers superior fatigue resistance and consistent spring rates for long-lasting performance
Fewer coils per spring: Reduces unsprung mass and maximizes usable stroke for better grip and smoother weight transfer
Precision ground flat ends: Ensures even seating on the perch for reliable suspension performance
Metric compatibility: Designed for coilover suspension systems using 65mm inner diameters for easy upgrades
Available in a wide range of spring rates: Accommodates various applications from street performance to professional motorsport
Summarized by Shop
Swift Springs Metric Coilover Springs in 65mm ID and 6" (152mm) length deliver the traction, handling, and consistency that competitive drivers rely on. Engineered for coilover suspension systems using metric-sized dampers, these 65mm Swift coilover springs are manufactured in Japan from proprietary H5S.TW high-tensile alloy steel, provid