Forged Pistons for Nissan 87mm, RB30/26 8.0:1, RB30/25 8.25:1 (CP Pistons SC7303)
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|
Make |
Nissan |
|
Model |
RB30/RB25DET |
|
Part Number |
SC7303 |
|
Cylinders |
6 |
|
Bore (in) |
3.425 |
|
Bore (mm) |
87 |
|
Size |
+1.0mm |
|
Stroke |
85 |
|
Conrod |
152.5 |
|
Comp Height (in) |
1.28 |
|
Comp Height (mm) |
32.5 |
|
Dom/Dish CC |
0 |
|
Compression Ratio |
8.5 FT |
|
Weight (Grams) |
340 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3425 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
827-2250-20CP1C |
|
Upgraded Pin |
827-2250-20CP3C |
|
Ultra Duty Pin |
827-2250-25CP3C |
|
Locks |
827x063 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 87mm, RB30/26 8.0:1, RB30/25 8.25:1 (CP Pistons SC7303) |
|---|---|
| Brands | CP Carrillo |
| Engine | RB30DET (DOHC) |
| Make | Nissan |
Delivery & Freight
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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 compression ratios do the CP Pistons SC7303 support for RB30 and RB25 engines?
The CP Pistons SC7303 are designed for RB30/26 engines with a compression ratio of 8.0:1 and for RB30/25 engines with a compression ratio of 8.25:1. Ensure that your engine's setup aligns with these specifications for optimal performance.
What is the recommended bore size for the CP Pistons SC7303?
The CP Pistons SC7303 are compatible with an 87mm bore size, which is suitable for RB30 and RB25 applications. Proper machining of the cylinder bore is essential to achieve the correct clearance.
What are the key features of the CP Pistons SC7303?
The CP Pistons SC7303 feature deep valve reliefs for high lift camshafts, custom skirt cam and barrel design, accumulator grooves, and high-performance rings. They are fully CNC machined and balanced to +/- 1 gram, ensuring precision and reliability.
What is the weight of the CP Pistons SC7303?
Each CP Piston SC7303 weighs approximately 340 grams. This lightweight design contributes to reduced reciprocating mass, which can enhance engine response and performance.
Are wrist pins included with the CP Pistons SC7303?
Yes, the CP Pistons SC7303 come with wrist pins included at no additional cost. This ensures compatibility and ease of installation with your conrods.
