Description
High-revving engines demand valve springs engineered for sustained performance and reliability under extreme conditions. The Isky 1.560in Plus-Series springs deliver consistent load rates across the entire lift cycle, preventing float and maintaining precise valve timing even at peak RPM. Built for serious racers and high-performance builds, this set of 16 springs is the foundation of a bulletproof valvetrain.
- Dual spring / damper
- 480 lb/in rate
- 1.560in OD
- 1.190in coil bind
- Set of 16 springs
- Plus-Series construction
- CNC-precision wound
- High-RPM rated






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