Description
High-RPM stability demands valve springs engineered for precision and durability—and Manley’s NexTek Dual Springs deliver exactly that. The dual-spring design with integrated damper technology minimizes valve float while maintaining consistent lift across extended rev ranges, critical for forced-induction and naturally aspirated builds pushing near or beyond 8,000 RPM. If you’re serious about cylinder head performance and longevity, these springs are the foundation your engine needs.
- NexTek dual-spring design
- 435 lb/in spring rate
- 1.530 in outer diameter
- 1.170 in coil bind
- Integrated damper technology
- Set of 16 springs
- Precision-wound construction
- High-RPM rated
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