Forged Pistons for Mitsubishi, 4G63 2G, 100mm Stroke, 86mm, 9.5:1 or EVO VIII/EVO IX, 10:1 (CP Pistons SC7257)
For shipping cost -add all the products you would like, then navigate to the shopping cart to calculate shipping quote.
|
Make |
Mitsubishi |
|
Model |
4G63 2G |
|
Part Number |
SC7257 |
|
Cylinders |
4 |
|
Bore (in) |
3.386 |
|
Bore (mm) |
86 |
|
Size |
+1.0mm |
|
Stroke |
100 |
|
Conrod |
150 |
|
Comp Height (in) |
1.134 |
|
Comp Height (mm) |
28.8 |
|
Dom/Dish CC |
-14.2 |
|
Compression Ratio |
9.5 |
|
Weight (Grams) |
291 |
|
Pin (mm) |
22 |
|
Rings |
CPN-3386 |
|
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, 4G63 2G, 100mm Stroke, 86mm, 9.5:1 or EVO VIII/EVO IX, 10:1 (CP Pistons SC7257) |
|---|---|
| Brands | CP Carrillo |
| Engine | 4G63 |
| Make | Mitsubishi |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
You can calculate shipping rates inside the shopping cart. After adding all the products you would like, navigate to the cart and click the ESTIMATE SHIPPING & TAX link. .
If you only see the Click and Collect shipping option, it means that your address was not validated correctly.
If you have issues calculating freight, please get in touch. We are happy to help.
Disclaimer:
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout.
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 compression ratio do these pistons provide for the 4G63 engine?
The SC7257 pistons offer a compression ratio of 9.5:1 for standard applications and 10:1 for EVO VIII/EVO IX setups. Ensure your engine is tuned appropriately for the desired compression to maintain reliability.
What is the recommended bore clearance for these pistons?
For the SC7257 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, final clearances should be determined based on your specific engine build and intended use.
Are these pistons compatible with high lift camshafts?
Yes, the SC7257 pistons feature deep valve reliefs designed to accommodate high lift camshafts, making them suitable for performance applications that require enhanced airflow.
What type of wrist pins are included with these pistons?
The SC7257 pistons come with standard wrist pins (part number 866-2250-20CP1C) included at no additional cost. Upgraded and ultra-duty pins are also available for those seeking additional strength.
Do these pistons require any special machining?
While the SC7257 pistons are fully CNC machined and balanced, it's essential to check for proper bore size and clearances during installation. Additional honing may be necessary to ensure a precise fit in your engine.
