Forged Pistons for Mitsubishi, 4B11 / EVO X, 87mm, 10:1 (CP Pistons SC7226)
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|
Make |
Mitsubishi |
|
Model |
4B11T / EVO X |
|
Part Number |
SC7226 |
|
Cylinders |
4 |
|
Bore (in) |
3.425 |
|
Bore (mm) |
87 |
|
Size |
+1.0mm |
|
Stroke |
86 |
|
Conrod |
143.75 |
|
Comp Height (in) |
1.313 |
|
Comp Height (mm) |
33.4 |
|
Dom/Dish CC |
1.1 |
|
Compression Ratio |
10 |
|
Weight (Grams) |
342 |
|
Pin (mm) |
23 |
|
Rings |
CPN-3425 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
905-2250-15CP1C |
|
Upgraded Pin |
905-2250-19CP3C |
|
Ultra Duty Pin |
905-2250-26CP3C |
|
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 Mitsubishi, 4B11 / EVO X, 87mm, 10:1 (CP Pistons SC7226) |
|---|---|
| Brands | CP Carrillo |
| Engine | 4B11T / EVO X |
| Make | Mitsubishi |
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 SC7226 pistons?
For the SC7226 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 do the SC7226 pistons provide?
The SC7226 pistons have a compression ratio of 10:1, making them suitable for builds aiming for a balance between performance and reliability. Ensure your engine is tuned accordingly to maximise performance.
Can I use the SC7226 pistons with upgraded valve sizes?
Yes, the SC7226 pistons feature deep valve reliefs designed to accommodate oversized valves, including +1mm sizes. This allows for greater airflow and performance when using high lift camshafts.
What is the weight of the SC7226 pistons, and how does it affect performance?
The SC7226 pistons weigh 342 grams each. Lighter pistons can improve engine response and reduce overall rotating mass, which is beneficial for high RPM applications. However, ensure that your conrods and crankshaft are rated for the intended use.
Are the wrist pins included with the SC7226 pistons suitable for high-performance applications?
Yes, the SC7226 pistons come with high-strength wrist pins included at no additional cost. For even more durability, consider upgrading to the Ultra Duty pins if your application demands it.
