Forged Pistons for Acura/Honda, R18, 81.5mm, 9:1 (CP Pistons SC7024)
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|
Make |
Honda |
|
Model |
R18 |
|
Part Number |
SC7024 |
|
Cylinders |
4 |
|
Bore (in) |
3.209 |
|
Bore (mm) |
81.5 |
|
Size |
+0.5mm |
|
Stroke |
87.3 |
|
Conrod |
157.5 |
|
Comp Height (in) |
1.135 |
|
Comp Height (mm) |
28.8 |
|
Dom/Dish CC |
-16.2 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
268 |
|
Pin (mm) |
20 |
|
Rings |
CPN-3209 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
787-2250-16CP1C |
|
Upgraded Pin |
787-2250-18CP3C |
|
Ultra Duty Pin |
787-2250-24CP3C |
|
Locks |
787X050 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, R18, 81.5mm, 9:1 (CP Pistons SC7024) |
|---|---|
| Brands | CP Carrillo |
| Engine | R18 |
| Make | Honda |
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 is the recommended bore clearance for the SC7024 pistons?
For the SC7024 pistons, a typical bore clearance is around 0.0015" to 0.0025". However, it's crucial to confirm this with your specific engine build and intended use, as clearances can vary based on factors like thermal expansion and operating conditions.
What compression ratio can I expect with the SC7024 pistons in my R18 engine?
The SC7024 pistons provide a compression ratio of 9:1 when used in the R18 engine. This ratio is suitable for a balance of performance and reliability, but ensure that your tuning and fuel quality match this setup for optimal results.
Do I need to modify my cylinder head for the SC7024 pistons?
While the SC7024 pistons feature deep valve reliefs to accommodate high lift camshafts, you may still need to check for clearance with oversized valves or specific cam profiles. It's advisable to mock up the assembly to ensure proper fitment.
What type of wrist pin is included with the SC7024 pistons?
The SC7024 pistons come with a standard wrist pin (part number 787-2250-16CP1C) included at no additional cost. If you're looking for an upgraded or ultra-duty pin, options are available for purchase separately.
How are the SC7024 pistons designed for high-performance applications?
The SC7024 pistons are engineered with features such as custom skirt cam and barrel design, accumulator grooves, and high-performance rings. These elements contribute to improved strength and performance, making them suitable for applications with oversized valves and high lift camshafts.
