Description
If you’re building a high-revving engine or upgrading a track car, valve spring performance directly impacts reliability and horsepower delivery. Manley’s dual-spring design manages harmonics across the RPM band while the 500 lb/in rate provides the control needed for aggressive cam profiles without float. These polished NexTek springs deliver consistent seat pressure and durability for both street and competition applications.
- Dual spring design
- 500 lb/in spring rate
- 1.620 inch outer diameter
- 1.200 inch coil bind
- Polished finish
- NexTek material
- Set of 16 springs
- Bolt-on installation
- MPN: 221445P-16
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