Forged Pistons for Nissan RB26 86.5 9:1 (CP Pistons SC7313)
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|
Make |
Nissan |
|
Model |
RB26DETT |
|
Part Number |
SC7313 |
|
Cylinders |
6 |
|
Bore (in) |
3.406 |
|
Bore (mm) |
86.5 |
|
Size |
+0.5mm |
|
Stroke |
73.7 |
|
Conrod |
121.5 |
|
Comp Height (in) |
1.193 |
|
Comp Height (mm) |
30.3 |
|
Dom/Dish CC |
19.8 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
371 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3406 |
|
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 RB26 86.5 9:1 (CP Pistons SC7313) |
|---|---|
| Brands | CP Carrillo |
| Engine | RB26 |
| 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 SC7313 pistons?
For the SC7313 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, this can vary based on the specific application and operating conditions, so always consult with your engine builder for optimal clearances.
What compression ratio can I expect with the SC7313 pistons in an RB26 engine?
The SC7313 pistons are designed to achieve a compression ratio of 9:1 when used in a standard RB26DETT setup. Keep in mind that actual compression may vary based on head gasket thickness and combustion chamber modifications.
Are the SC7313 pistons compatible with high lift camshafts?
Yes, the SC7313 pistons feature deep valve reliefs that accommodate high lift camshafts, making them suitable for performance builds that require increased valve lift.
What type of wrist pins are included with the SC7313 pistons?
The SC7313 pistons come with standard wrist pins (part number 827-2250-20CP1C) included at no additional cost. Upgraded and ultra-duty pins are also available for those seeking enhanced performance.
Do I need to perform any machining on the SC7313 pistons before installation?
While the SC7313 pistons are fully CNC machined and balanced, it is essential to check the bore and ring gaps before installation. Additional honing may be required to achieve the correct fit in your RB26 engine.
