Description
Valve spring selection directly impacts cylinder head durability and maximum RPM capability in high-performance engines. The Isky 1.530in springs deliver a stiff 400 lb/in rate with dual-spring architecture to control valve float and maintain precise valve timing under aggressive cam profiles. Whether you’re building a street performance engine or preparing for track duty, these springs provide the reliability and performance margin needed to keep your valvetrain intact at elevated boost levels or high-lift cam applications.
- Dual spring damper
- 400 lb/in spring rate
- 1.530 in outside diameter
- 1.160 in coil bind
- Set of 16 springs
- Precision-engineered valve spring
- High-RPM rated construction
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