Forged Pistons for Acura/Honda, H22 (sleeved block only), 87mm, 9:1 (CP Pistons SC7030)
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|
Make |
Honda |
|
Model |
H22 (sleeved block only) |
|
Part Number |
SC7030 |
|
Cylinders |
4 |
|
Bore (in) |
3.425 |
|
Bore (mm) |
87 |
|
Size |
STD |
|
Stroke |
90.7 |
|
Conrod |
143.15 |
|
Comp Height (in) |
1.22 |
|
Comp Height (mm) |
31 |
|
Dom/Dish CC |
-6.9 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
319 |
|
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 Acura/Honda, H22 (sleeved block only), 87mm, 9:1 (CP Pistons SC7030) |
|---|---|
| Brands | CP Carrillo |
| Engine | H22 |
| Make | Honda |
Delivery & Freight
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Product images are for description purposes only. Actual product may vary.
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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 are the recommended machining requirements for the CP Pistons SC7030 in an H22 engine?
When installing the CP Pistons SC7030 in an H22 engine, ensure the cylinder bore is properly honed to achieve the correct clearance. The recommended bore clearance typically ranges from 0.0015" to 0.0025" depending on your application. Additionally, confirm that the ring gaps are set according to your specific build and intended use.
Can the CP Pistons SC7030 handle high boost applications?
Yes, the CP Pistons SC7030 are designed for performance and can handle high boost levels, particularly when used in a sleeved block. However, reliability will depend on proper tuning, fuel quality, and overall engine assembly. Ensure that the engine builder pays attention to clearances and compression ratio to avoid detonation.
What type of wrist pins are included with the CP Pistons SC7030?
The CP Pistons SC7030 come with standard wrist pins (part number 866-2250-20CP1C) included at no additional cost. For applications requiring more strength, upgraded (866-2250-20CP3C) and ultra-duty pins (866-2250-25CP3C) are available for purchase.
What is the compression ratio of the CP Pistons SC7030, and how does it affect performance?
The CP Pistons SC7030 have a compression ratio of 9:1. This ratio is suitable for a balance of power and reliability, making it ideal for both street and performance applications. Adjusting the compression ratio may require changes to the tuning and fuel used, so consult with your engine builder for optimal setup.
Are the CP Pistons SC7030 compatible with high lift camshafts?
Yes, the CP Pistons SC7030 feature deep valve reliefs that accommodate high lift camshafts and oversized valves. This design allows for increased airflow and performance, making them suitable for modified H22 engines aiming for higher power outputs.
