SBC 412ci Fit All 13°, Bore 4.155, CH 1.100, Stroke 3.800, Rod 6.000, CR 14, Dome, 50 Head CC - Lefts & Rights (CP Pistons S2425A)
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|
Make |
Chevrolet |
|
Engine Type |
13˚ Dome 400 Chevy |
|
Part Number |
S2425A |
|
Bore (in) |
4.155 |
|
Stroke (in) |
3.8 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.1 |
|
Dome / Dish Height |
0.175 |
|
Dom/Dish CC |
-4.97 |
|
Pin |
.927 x 2.750 |
|
Ring Thickness |
.043 x .043 x 3.0mm |
|
VR Depth Int/Exh |
-.315 / SP |
|
Piston Weight |
467 |
|
Gas Port |
Yes |
|
Capacity |
412 |
|
Shlef (RPO) or Made to Order (MTO) |
ROP |
Dedicated right and left forgings; Pin-fitting included at no cost; Chamfered pins and wire locks included; Accumulator and anti-detonation grooves included; Double pin oilers, force fed from oil ring; Radius valve reliefs; Balanced to +/- 1 gram; Pick lock grooves for easy lock removal; Domes may be cut to a flat top; Designed for back-cut rings; Custom skirt cam and barrel shapes; Fully CNC Machined. Notes: D – Rail Support included, G – Supplied with Wire Locks
| Product Name | SBC 412ci Fit All 13°, Bore 4.155, CH 1.100, Stroke 3.800, Rod 6.000, CR 14, Dome, 50 Head CC - Lefts & Rights (CP Pistons S2425A) |
|---|---|
| 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 compression ratio for the S2425A pistons?
The S2425A pistons are designed for a compression ratio of 14:1, which is suitable for high-performance applications. Ensure your engine is built to handle this level of compression with appropriate fuel quality and tuning.
What are the specific machining requirements for the S2425A pistons?
When using the S2425A pistons, ensure the bore is set to 4.155 inches with proper clearance. Additionally, verify that the ring gaps are set according to your engine's specifications to accommodate the intended use and operating conditions.
Can the dome height of the S2425A pistons be modified?
Yes, the domes on the S2425A pistons can be cut to a flat top if desired. However, any modifications should be performed by a qualified machinist to maintain balance and structural integrity.
What is the weight of the S2425A pistons, and how does it affect performance?
The S2425A pistons weigh 467 grams each. This weight is designed to balance performance and durability, but it's important to consider the overall rotating assembly weight for optimal engine balance and performance.
What type of gas porting is included with the S2425A pistons?
The S2425A pistons feature gas porting, which helps improve ring seal and reduce blow-by. This is particularly beneficial in high-performance applications where maintaining pressure is critical.
