Forged Pistons for Acura/Honda, B16A, 84.5mm, 9:1 or B20 or Sleeved B18 Block w/B16A or B18C Head, 9.7:1 (CP Pistons SC7018)
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|
Make |
Acura/Honda |
|
Model |
B16A |
|
Part Number |
SC7018 |
|
Cylinders |
4 |
|
Bore (in) |
3.327 |
|
Bore (mm) |
84.5 |
|
Size |
+3.5mm |
|
Stroke |
77.4 |
|
Conrod |
134.3 |
|
Comp Height (in) |
1.181 |
|
Comp Height (mm) |
30 |
|
Dom/Dish CC |
-7.2 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
312 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3327 |
|
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, B16A, 84.5mm, 9:1 or B20 or Sleeved B18 Block w/B16A or B18C Head, 9.7:1 (CP Pistons SC7018) |
|---|---|
| Brands | CP Carrillo |
| Engine | B16 - Honda, B18 - Honda |
| 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 compression ratio can I achieve with SC7018 pistons in my B16A engine?
The SC7018 pistons provide a compression ratio of 9:1 when used in a B16A engine. If installed in a B20 or sleeved B18 block with a B16A or B18C head, the compression ratio increases to approximately 9.7:1. Always verify your specific engine setup to ensure optimal performance.
What machining is required for the SC7018 pistons?
When installing SC7018 pistons, ensure that the bore clearance is set correctly according to your engine's specifications. Additionally, check the ring gaps and adjust them as necessary to accommodate your specific application, especially if you're running higher RPMs or boost.
Can I use SC7018 pistons with high lift camshafts?
Yes, the SC7018 pistons are designed with deep valve reliefs to accommodate high lift camshafts. This feature allows for better clearance and performance when using oversized valves, making them suitable for performance builds.
What is the weight of the SC7018 pistons and how does it affect performance?
The SC7018 pistons weigh 312 grams each. Lighter pistons can improve engine response and reduce inertia, which is beneficial for high-revving applications. However, ensure that your engine is balanced properly with the full rotating assembly to maintain reliability.
What type of wrist pins are included with the SC7018 pistons?
The SC7018 pistons come with standard wrist pins (part number 827-2250-20CP1C) included at no additional cost. Upgraded and ultra-duty pins are also available for those looking for enhanced performance and durability.
