Forged Pistons for Acura/Honda, B18A1/B1, 81mm, 9:1 (CP Pistons SC7005)
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|
Make |
Acura |
|
Model |
B18A1/B1 |
|
Part Number |
SC7005 |
|
Cylinders |
4 |
|
Bore (in) |
3.189 |
|
Bore (mm) |
81 |
|
Size |
STD |
|
Stroke |
89 |
|
Conrod |
137 |
|
Comp Height (in) |
1.181 |
|
Comp Height (mm) |
30 |
|
Dom/Dish CC |
-5.4 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
280 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3189 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
827-2250-20CP1C |
|
Upgraded Pin |
827-2250-20CP3C |
|
Ultra Duty Pin |
827-2250-25CP3C |
|
Locks |
827x063 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, B18A1/B1, 81mm, 9:1 (CP Pistons SC7005) |
|---|---|
| Brands | CP Carrillo |
| Engine | B18 - Honda |
| Make | Honda |
Delivery & Freight
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Disclaimer:
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 is the recommended bore clearance for the SC7005 pistons?
The recommended bore clearance for the SC7005 pistons in a B18A1/B1 engine typically ranges from 0.0015" to 0.0025". However, it's crucial to confirm this with your specific engine build and machining tolerances.
What compression ratio can I expect with the SC7005 pistons?
The SC7005 pistons provide a compression ratio of 9:1 when used in a standard B18A1/B1 engine configuration. This ratio is suitable for a balance of performance and reliability, but ensure your engine is tuned appropriately for the intended use.
Are the SC7005 pistons compatible with high lift camshafts?
Yes, the SC7005 pistons feature deep valve reliefs designed to accommodate high lift camshafts. This allows for better airflow and performance, making them a good choice for modified B18A1/B1 engines.
What is the weight of the SC7005 pistons and how does it affect performance?
Each SC7005 piston weighs approximately 280 grams. This lightweight design helps reduce reciprocating mass, which can improve engine response and overall performance, especially at higher RPMs.
What type of wrist pins are included with the SC7005 pistons?
The SC7005 pistons come with standard wrist pins (part number 827-2250-20CP1C) included at no additional cost. For applications requiring more strength, upgraded and ultra-duty pins are available as options.
