Spool CP Custom Nissan SR20DET Stroker Pistons
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These Spool CP Custom Pistons are available in:
- Bore: +0.5mm
- Comp Ratio: 9.0:1
- Stroke: 91mm
- 9310 Series Pins
Note: Also available in any bore size and comp ratio – please email for details.
CP Pistons standard features include:
- Upgraded 9310 gudgeon pins
- Deep valve reliefs accommodate high lift camshafts
- Larger valve reliefs for +1mm valve sizes
- Custom skirt cam and barrel design
- Accumulator grooves
- High strength aluminum forgings
- High performance rings
- Fully CNC machined and balanced to +/- 1 gram
- Wrist pins included
- Double pin oilers force fed from oil ring groove
- Pick lock grooves for easy lock removal
- Pin fitting included
| Product Name | Spool CP Custom Nissan SR20DET Stroker Pistons |
|---|---|
| Brands | CP Carrillo |
| Engine | SR20 |
| 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.
Shipping calculations available at checkout.
If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
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 recommended bore clearance for the Spool CP Custom Nissan SR20DET Stroker Pistons?
The recommended bore clearance for these pistons typically ranges from 0.0015" to 0.0025". However, it's essential to confirm the specific clearance based on your engine's build and intended use. Always consult with your engine builder for precise specifications.
Can I use these pistons with a stock SR20DET crankshaft?
Yes, these pistons are designed to work with a stock SR20DET crankshaft when used in a stroker configuration. Ensure that the stroke is compatible and that your engine is properly balanced for optimal performance.
What compression ratio do these pistons provide with a stock head gasket?
These pistons offer a compression ratio of 9.0:1 when used with a stock SR20DET head gasket. If you plan to change the gasket or use a different thickness, you will need to recalculate the compression ratio accordingly.
Are the gudgeon pins included with the Spool CP pistons suitable for high RPM applications?
Yes, the upgraded 9310 series gudgeon pins included with these pistons are designed for high strength and durability, making them suitable for high RPM applications. Ensure proper lubrication and clearances are maintained for reliability.
What machining processes are required when installing these pistons?
When installing these pistons, you may need to perform a bore honing to achieve the correct clearance and ensure a proper fit. Additionally, check ring gaps and adjust as necessary based on your engine's specifications and intended use.
