Description
Valve spring performance directly impacts your engine’s ability to maintain precise valve timing under high RPM loads—critical for both naturally aspirated and forced induction builds. The Isky 1.560in Plus-Series springs deliver consistent load rates and reliable damping to prevent valve float while supporting aggressive cam profiles. Whether you’re building a street performer or a dedicated race engine, these dual-spring assemblies provide the stability needed for repeatable, controlled power delivery.
- Dual spring design
- 500 lb/in rate
- 1.560 inch OD
- 1.180 inch coil bind
- Damper equipped
- Set of 16
- Plus-Series construction
- Isky manufacturing
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