Description
High-RPM valve train stability demands springs engineered to precise tolerances, and the Isky 1.560 Valve Springs deliver exactly that. With a robust 490 lb/in spring rate and dual-spring design, these springs maintain consistent valve control across aggressive cam profiles and elevated engine speeds. Built to tool room specifications, this set of 16 ensures reliable performance whether you’re building a race engine or refreshing a high-output street application.
- Dual spring design
- 490 lb/in spring rate
- 1.560 in outside diameter
- 1.150 in coil bind
- Set of 16 springs
- Tool room specification
- Isky MPN 9935
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