Chevrolet Normally Aspirated Std BBC Open Chamber Dome BBC, Bore 4.610, CH 1.120, Custom Stroke, Custom Rod (CP Pistons SS5504)
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|
Make |
Chevrolet |
|
Engine Type |
Normally Aspirated Std BBC Open Chamber Dome |
|
Part Number |
SS5504 |
|
Bore (in) |
4.61 |
|
Stroke (in) |
Varies |
|
Rod Length (in) |
Varies |
|
Comp Height |
1.12 |
|
Dome / Dish Height |
0.705 |
|
Dom/Dish CC |
45.8 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
.043 x .043 x 3.0mm |
|
VR Depth Int/Exh |
-.320 / .105 |
|
Piston Weight |
601 |
|
Gas Port |
Yes |
|
Capacity |
Varies |
|
Shlef (RPO) or Made to Order (MTO) |
MTO |
Lightweight hollow dome forging; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Radius dome for improved flow; Radius valve reliefs; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, T – Supplied with .180 Wall (142g), or optional 165g
| Product Name | Chevrolet Normally Aspirated Std BBC Open Chamber Dome BBC, Bore 4.610, CH 1.120, Custom Stroke, Custom Rod (CP Pistons SS5504) |
|---|---|
| Brands | CP Carrillo |
| Engine | Chev |
| Make | GM |
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 SS5504 pistons?
For the SS5504 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on the specific engine build and operating conditions, so it's crucial to consult with your engine builder for precise measurements.
What is the significance of the dome height and valve reliefs on the SS5504 pistons?
The dome height of 0.705" and the radius valve reliefs on the SS5504 pistons are designed to enhance combustion efficiency and airflow. This design is particularly beneficial for normally aspirated applications, allowing for better performance and power delivery.
What type of wrist pins are included with the SS5504 pistons?
The SS5504 pistons come with lightweight wrist pins that are .990" in diameter and 2.750" long. These pins are fitted at no additional cost, ensuring optimal performance and reliability in your engine build.
How do the gas ports on the SS5504 pistons affect performance?
The gas ports on the SS5504 pistons help improve ring seal by allowing combustion gases to pressurise the ring grooves. This can lead to better performance and reduced blow-by, especially in high-performance applications.
What machining considerations should I keep in mind for the SS5504 pistons?
When using the SS5504 pistons, ensure that the cylinder bores are honed to the correct specifications and that the ring gaps are set appropriately. Additionally, consider the need for balancing the rotating assembly, as these pistons are balanced to +/- 1 gram.
