Performance Springs Holden VN/VR V6 Valve Spring & Retainer Kit
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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.
| Product Name | Performance Springs Holden VN/VR V6 Valve Spring & Retainer Kit |
|---|---|
| Brands | Performance Springs |
| Engine | Buick V6 |
| Make | Holden |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What is the seat tension of the Holden VN/VR V6 Valve Spring & Retainer Kit?
The seat tension for this kit is 90 lbs, which provides reliable performance and stability for your Holden VN/VR V6 engine.
What valve lift can I expect from this valve spring kit?
This kit offers a valve lift of 280 lbs at .560 inches, enhancing lift and power for improved engine performance.
Is this valve spring kit suitable for high-performance applications?
Yes, the kit is engineered for durability and long-lasting performance under high-stress conditions, making it suitable for high-performance applications.
How easy is it to install the Holden VN/VR V6 Valve Spring & Retainer Kit?
The kit is designed for easy installation with precise fitment, allowing for a hassle-free setup in your engine.
Is this valve spring kit compatible with other engine models?
This kit is specifically designed for Holden VN/VR V6 engines and may not be compatible with other engine models without modification.
