Description
Valve spring selection directly impacts your engine’s ability to maintain valve control under high RPM loads and aggressive cam profiles. These single valve springs deliver consistent 425 lb/in spring rate across the full range of motion, ensuring reliable valve seating and preventing float that can cost you power or cause catastrophic failure. Built as a complete set of 16, they’re ready for a full engine build without sourcing mismatched components.
- Spring Rate: 425 lb/in
- Outside Diameter: 1.265 in
- Coil Bind: 1.150 in
- Configuration: Single damper
- Quantity: Set of 16
- MPN: 98212






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