Forged Pistons for Nissan VR38DETT (Stroker) 95.5 10:1 Heavy Duty (CP Pistons SC8355)
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|
Make |
Nissan |
|
Model |
VR38DETT GTR 4.0L |
|
Part Number |
SC8355 |
|
Cylinders |
4 |
|
Bore (in) |
3.7598 |
|
Bore (mm) |
95.5 |
|
Size |
STD |
|
Stroke |
94.4 |
|
Conrod |
165 |
|
Comp Height (in) |
1.232 |
|
Comp Height (mm) |
31.3 |
|
Dom/Dish CC |
-1.7 |
|
Compression Ratio |
10 |
|
Weight (Grams) |
439 |
|
Pin (mm) |
23 |
|
Rings |
CALL |
|
Ring Thickness |
1.2 x 1.2 x 2.5mm |
|
Pin included (Standard) |
905-2500-26CP3C |
|
Upgraded Pin |
NA |
|
Ultra Duty Pin |
NA |
|
Locks |
905X073 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 VR38DETT (Stroker) 95.5 10:1 Heavy Duty (CP Pistons SC8355) |
|---|---|
| Brands | CP Carrillo |
| Engine | VR38DETT |
| 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 SC8355 pistons?
For the SC8355 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, this can vary based on the specific application and engine build, so always consult with your engine builder for precise measurements.
What compression ratio do the SC8355 pistons provide?
The SC8355 pistons are designed to achieve a compression ratio of 10:1 when used in a properly machined VR38DETT engine. Ensure that the combustion chamber volume and other factors are accounted for to maintain this ratio.
What type of rings are compatible with the SC8355 pistons?
The SC8355 pistons require specific ring sets, which are not included. It is advisable to consult with CP Carrillo or your engine builder to select the appropriate high-performance rings that match the piston specifications.
What is the weight of the SC8355 pistons, and how does it affect performance?
The SC8355 pistons weigh 439 grams each. This weight is optimized for performance, helping to reduce reciprocating mass, which can improve engine response and RPM capabilities. However, always consider the overall rotating assembly balance.
Can the SC8355 pistons accommodate high lift camshafts?
Yes, the SC8355 pistons feature deep valve reliefs that are specifically designed to accommodate high lift camshafts, making them suitable for performance applications where increased airflow is critical.
