Holden VN/VR V6 Valve Spring & Retainer Kit

Valve Spring & Retainer Set for Holden VN/VR V6 Engines

This spring and retainer assembly is designed for VN/VR V6 engines requiring improved valvetrain stability under elevated RPM or increased valve lift. The spring rate provides controlled motion for moderate camshaft upgrades while maintaining reliability of the factory rocker architecture.

Spring Characteristics

• Seat Pressure: 90 lbs
• Open Pressure: 280 lbs at 0.560" lift
• Configuration: Supplied retainers matched to the spring profile

The package is suitable for naturally aspirated and mild forced-induction applications where improved valvetrain control is required without excessive loading.