Product Overview
High-performance single valve spring kit manufactured from premium Chrome Silicon steel. Engineered for reliable high-RPM operation. Eliminates valve float and maintains precise valve timing under extreme conditions. Rated up to 8500rpm.
What's Included
- 16 × Single Valve Springs
- 16 × Chromoly Retainers
Material Specifications
Valve Springs: Premium Chrome Silicon Steel (CrSi) - Shot peened and heat treated for superior fatigue resistance and heat stability
Retainers: 4130 Chromoly Steel - Lightweight with exceptional strength, reduces inertia for improved valvetrain stability
Performance Rating: 8500+ RPM capability
Lift Capacity: Up to 14mm camshaft lift
Key Benefits
- Superior valve control at high RPM - eliminates valve float and bounce
- Protection against coil bind under extreme conditions
- Compatible with aggressive camshaft profiles
- Track-proven reliability in motorsport applications
- Enhanced durability for naturally aspirated and turbocharged setups
Installation Notes
Professional installation recommended. Correct spring heights and valve travel must be verified to avoid coil bind. For camshaft installations, always check piston-to-valve clearance and verify spring installed height. Use high-zinc break-in oil on first start.
This component forms part of the valve train system and must be selected to suit the intended engine configuration, RPM range, and camshaft design.

