Forged Pistons for Mitsubishi, 4B11 / EVO X, 86mm, 9:1 (CP Pistons SC7220)
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|
Make |
Mitsubishi |
|
Model |
4B11T / EVO X |
|
Part Number |
SC7220 |
|
Cylinders |
4 |
|
Bore (in) |
3.386 |
|
Bore (mm) |
86 |
|
Size |
STD |
|
Stroke |
86 |
|
Conrod |
143.75 |
|
Comp Height (in) |
1.313 |
|
Comp Height (mm) |
33.4 |
|
Dom/Dish CC |
-4.6 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
328 |
|
Pin (mm) |
23 |
|
Rings |
CPN-3386 |
|
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, 86mm, 9:1 (CP Pistons SC7220) |
|---|---|
| Brands | CP Carrillo |
| Engine | 4B11T / EVO X |
| Make | Mitsubishi |
Delivery & Freight
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
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 SC7220 pistons?
For the SC7220 pistons in a Mitsubishi 4B11T, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, final clearance should be determined by the engine builder based on specific application and tolerances.
What compression ratio do the SC7220 pistons provide?
The SC7220 pistons have a compression ratio of 9:1. This ratio is suitable for a balance of performance and reliability, particularly when tuned for moderate boost levels.
What type of wrist pins are included with the SC7220 pistons?
The SC7220 pistons come with standard wrist pins (part number 905-2250-15CP1C) included at no additional cost. Upgraded and ultra-duty pins are also available for those seeking enhanced durability.
Can the SC7220 pistons accommodate high lift camshafts?
Yes, the SC7220 pistons feature deep valve reliefs designed to accommodate high lift camshafts and oversized valves, making them suitable for performance builds that require these modifications.
What is the weight of the SC7220 pistons?
Each SC7220 piston weighs 328 grams. This weight is designed to provide a good balance between performance and durability in high-performance applications.
