Manley 1.560 Dual Valve Springs 221442-16

If you're pushing your engine to the limit, stock valve springs will let you down. Manley's 1.560 Dual Valve Springs are engineered for sustained high-RPM performance, delivering the spring rate stability and reliability you need when every combustion cycle counts. Built with NexTek technology and a robust 533 lb/in spring rate, these springs prevent valve float and maintain precise valve timing across aggressive cam profiles.

Whether you're running a naturally aspirated build or forced induction setup, this set of 16 springs provides the clamping force required for consistent valve control without compromise. The polished finish resists corrosion while the tight 1.200-inch coil bind specification ensures maximum travel before binding occurs—critical for high-lift applications.

• 1.560 in OD
• 533 lb/in spring rate
• Dual spring design
• 1.200 in coil bind
• NexTek construction
• Polished finish
• Set of 16
• MPN: 221442-16