Forged Pistons for Nissan SR20 87 8.5:1 (CP Pistons SC7328)
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|
Make |
Nissan |
|
Model |
SR20DE/DET |
|
Part Number |
SC7328 |
|
Cylinders |
4 |
|
Bore (in) |
3.425 |
|
Bore (mm) |
87 |
|
Size |
+1.0mm |
|
Stroke |
86 |
|
Conrod |
136.25 |
|
Comp Height (in) |
1.26 |
|
Comp Height (mm) |
32 |
|
Dom/Dish CC |
-16.28 |
|
Compression Ratio |
8.5 |
|
Weight (Grams) |
316 |
|
Pin (mm) |
22 |
|
Rings |
CPN-3425 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
866-2250-15CP1C |
|
Upgraded Pin |
866-2250-20CP3C |
|
Ultra Duty Pin |
866-2250-25CP3C |
|
Locks |
866x063 SWL |
CP pistons are compatible with oversized valves and high lift camshafts. CP Pistons represent the highest quality and is engineered for maximum power. Standard features include: 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 at no additional cost; Double pin oilers force fed from oil ring groove; Pin lock grooves for easy lock removal; Pin fitting included.
| Product Name | Forged Pistons for Nissan SR20 87 8.5:1 (CP Pistons SC7328) |
|---|---|
| Brands | CP Carrillo |
| Engine | SR20 |
| Make | Nissan |
Delivery & Freight
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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 recommended bore clearance for the SC7328 pistons?
For the SC7328 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, final clearance should be determined based on your specific engine build and tolerances.
What compression ratio can I expect with the SC7328 pistons installed in my SR20 engine?
The SC7328 pistons provide a compression ratio of 8.5:1 when used in an SR20 engine with the standard stroke. This ratio is suitable for applications requiring moderate boost levels.
Are the wrist pins included with the SC7328 pistons suitable for high-performance applications?
Yes, the SC7328 pistons come with high-strength wrist pins included at no additional cost. For even more durability, you can opt for upgraded or ultra-duty pins, which are available separately.
What type of rings are compatible with the SC7328 pistons?
The SC7328 pistons use CP rings, specifically the CPN-3425 set. Ensure proper installation and gap settings as per your engine's requirements for optimal performance.
Can the SC7328 pistons accommodate high lift camshafts?
Yes, the SC7328 pistons feature deep valve reliefs designed to accommodate high lift camshafts, making them suitable for performance builds that include upgraded valvetrain components.
