Forged Pistons for Mitsubishi, 4G63 2G, 85.5mm, 9:1 or EVO VIII/EVO IX, 9.5:1 (CP Pistons SC7201)
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|
Make |
Mitsubishi |
|
Model |
4G63 2G (7-Bolt) |
|
Part Number |
SC7201 |
|
Cylinders |
4 |
|
Bore (in) |
3.366 |
|
Bore (mm) |
85.5 |
|
Size |
+0.5mm |
|
Stroke |
88 |
|
Conrod |
150 |
|
Comp Height (in) |
1.37 |
|
Comp Height (mm) |
34.8 |
|
Dom/Dish CC |
-9.2 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
328 |
|
Pin (mm) |
22 |
|
Rings |
RS1616-3366-0 |
|
Ring Thickness |
1.2 x 1.5 x 2.8mm |
|
Pin included (Standard) |
866-2500-18CP1C |
|
Upgraded Pin |
866-2500-20CP3C |
|
Ultra Duty Pin |
866-2500-25CP3C |
|
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, 4G63 2G, 85.5mm, 9:1 or EVO VIII/EVO IX, 9.5:1 (CP Pistons SC7201) |
|---|---|
| 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 do the SC7201 pistons provide for the 4G63 engine?
The SC7201 pistons offer a compression ratio of 9:1 for the Mitsubishi 4G63 2G engine and 9.5:1 for the EVO VIII/EVO IX applications.
What is the recommended bore clearance for the SC7201 pistons?
Bore clearance for the SC7201 pistons should be set according to the engine builder's specifications, typically around 0.0015" to 0.0025" for optimal performance, but always confirm with your specific engine setup.
What type of wrist pins are included with the SC7201 pistons?
The SC7201 pistons come with standard wrist pins (part number 866-2500-18CP1C) included at no additional cost. Upgraded and ultra-duty pins are available for those seeking additional strength.
Can the SC7201 pistons accommodate high lift camshafts?
Yes, the SC7201 pistons feature deep valve reliefs designed to accommodate high lift camshafts, making them suitable for performance applications with oversized valves.
What is the weight of the SC7201 pistons?
Each SC7201 piston weighs 328 grams, contributing to a balanced rotating assembly when properly matched with the crankshaft and conrods.
