Forged Pistons for Mitsubishi, 4G64 / 4G63 2G Head, 87mm, 9:1 or EVO VIII/IX Head, 9.5:1 (CP Pistons SC7262)
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|
Make |
Mitsubishi |
|
Model |
4G64 / 4G63 2G Head |
|
Part Number |
SC7262 |
|
Cylinders |
4 |
|
Bore (in) |
3.425 |
|
Bore (mm) |
87 |
|
Size |
+0.5mm |
|
Stroke |
100 |
|
Conrod |
156 |
|
Comp Height (in) |
1.134 |
|
Comp Height (mm) |
28.8 |
|
Dom/Dish CC |
-20 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
301 |
|
Pin (mm) |
22 |
|
Rings |
CPN-3425 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
866-2250-20CP1C |
|
Upgraded Pin |
866-2250-20CP3C |
|
Ultra Duty Pin |
866-2250-25CP3C |
|
Locks |
866x063 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, 4G64 / 4G63 2G Head, 87mm, 9:1 or EVO VIII/IX Head, 9.5:1 (CP Pistons SC7262) |
|---|---|
| Brands | CP Carrillo |
| Engine | 4G63 |
| 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 compression ratio can I achieve with the SC7262 pistons?
The SC7262 pistons are designed for a compression ratio of 9:1 when used with the Mitsubishi 4G64 / 4G63 2G head. If you are using them with an EVO VIII/IX head, they can achieve a compression ratio of 9.5:1. Ensure that your engine is properly tuned to match the desired compression for optimal performance.
What is the recommended bore clearance for the SC7262 pistons?
The recommended bore clearance for the SC7262 pistons should be determined by the engine builder based on the specific application and intended use. Typically, a clearance of 0.0015” to 0.0025” is common for performance applications, but always confirm with your machining specifications.
Can I use the SC7262 pistons with high lift camshafts?
Yes, the SC7262 pistons are designed with deep valve reliefs to accommodate high lift camshafts. This feature allows for increased airflow and performance, making them suitable for modified engines with upgraded cam profiles.
What type of wrist pins are included with the SC7262 pistons?
The SC7262 pistons come standard with wrist pins included at no additional cost. The standard wrist pin size is 22mm, and you have the option to upgrade to higher strength pins if required for your specific application.
What machining is required for the SC7262 pistons to fit properly?
Before installation, ensure that the cylinder bores are honed to the correct size and finish for the SC7262 pistons. Additionally, confirm that the ring gaps are set appropriately, as this will affect performance and reliability. Always consult with your engine builder for specific machining requirements.
