Forged Pistons for Mitsubishi, 4B11 / EVO X, 90mm, 9:1 (CP Pistons SC7223)
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|
Make |
Mitsubishi |
|
Model |
4B11T / EVO X |
|
Part Number |
SC7223 |
|
Cylinders |
4 |
|
Bore (in) |
3.543 |
|
Bore (mm) |
90 |
|
Size |
+4.0mm |
|
Stroke |
86 |
|
Conrod |
143.75 |
|
Comp Height (in) |
1.313 |
|
Comp Height (mm) |
33.4 |
|
Dom/Dish CC |
-10.8 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
365 |
|
Pin (mm) |
23 |
|
Rings |
CPN-3543 |
|
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, 90mm, 9:1 (CP Pistons SC7223) |
|---|---|
| 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 SC7223 pistons?
For the SC7223 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, final clearance should be determined by the engine builder based on the specific application and tolerances.
What type of rings are included with the SC7223 pistons?
The SC7223 pistons come with high performance CP rings, specifically the CPN-3543 set, which includes a 1.0mm top ring, 1.2mm second ring, and a 2.8mm oil ring.
What is the maximum recommended boost level for the SC7223 pistons?
While the SC7223 pistons are designed for high performance applications, the maximum boost level depends on several factors including engine tuning, fuel quality, and overall engine build. It's advisable to consult with a knowledgeable engine builder to determine safe boost levels for your specific setup.
Are these pistons compatible with upgraded wrist pins?
Yes, the SC7223 pistons can be used with upgraded wrist pins. The standard wrist pin included is 23mm, but you can opt for the upgraded or ultra-duty pins for enhanced strength and durability.
What machining processes are necessary for the SC7223 pistons?
Before installation, ensure that the cylinder bores are properly honed to match the piston size and that the ring gaps are set according to your engine's specifications. Additionally, verify that the piston-to-wall clearance is within the recommended range for optimal performance.
