Performance Springs Nissan CA18 Valve Spring & Ti-Retainer Kit

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Valve Spring & Titanium Retainer Kit for Nissan CA18
This spring and titanium retainer package is engineered for CA18DET and CA18DE applications where improved upper-valvetrain stability is required. The system maintains consistent spring forces up to 10.5 mm lift, supporting higher boost or extended-RPM tuning.
Spring Characteristics
- Seat Pressure: 85 lbs
- Open Pressure: 185 lbs at 10 mm
- Maximum Valve Lift: 10.5 mm
The lightweight titanium retainers reduce reciprocating mass and help maintain precise valve control. The kit installs as a direct replacement for factory components.
| Product Name | Performance Springs Nissan CA18 Valve Spring & Ti-Retainer Kit |
|---|---|
| Brands | Performance Springs |
| Engine | CA18 |
| Make | Nissan |
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 maximum valve lift supported by the PST-CA18K kit?
The PST-CA18K kit supports a maximum valve lift of 10.5mm, making it suitable for high-performance applications in the Nissan CA18 engine.
What is the seat tension and open tension of the valve springs in this kit?
The valve springs in the PST-CA18K kit deliver 85 lbs of seat tension and 185 lbs of open tension at 10mm lift, ensuring reliable performance under high RPM conditions.
Is installation of the PST-CA18K kit straightforward?
Yes, the PST-CA18K kit is designed for simple drop-in installation, allowing for hassle-free setup in your Nissan CA18 engine.
What materials are used in the PST-CA18K valve retainers?
The valve retainers in the PST-CA18K kit are made from durable titanium, providing a lightweight and strong solution for high-performance applications.
Can the PST-CA18K kit improve engine longevity?
Yes, the PST-CA18K kit is engineered to enhance engine performance and longevity, making it a great choice for enthusiasts looking to improve their CA18 engine's response and reliability.