Small Block Chevrolet 416ci Fit All 13° Dome, Bore 4.135, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2412A)
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|
Make |
Chevrolet |
|
Engine Type |
13˚ Dome 400 Chevy |
|
Part Number |
S2412A |
|
Bore (in) |
4.135 |
|
Stroke (in) |
3.875 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.062 |
|
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 |
460 |
|
Gas Port |
Yes |
|
Capacity |
416 |
|
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 | Small Block Chevrolet 416ci Fit All 13° Dome, Bore 4.135, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2412A) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| 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 S2412A pistons?
For the S2412A pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined by the engine builder based on the specific application and operating conditions.
Can the dome height of the S2412A pistons be modified?
Yes, the domes on the S2412A pistons can be cut to a flat top if desired. This modification can affect the compression ratio, so it's important to recalculate the engine's specifications after any changes.
What type of ring gaps should I use with the S2412A pistons?
Ring gaps for the S2412A pistons should be set according to the engine's intended use. Generally, a gap of 0.004" to 0.005" per inch of bore is a good starting point, but adjustments may be necessary based on boost levels and RPM.
What is the weight of the S2412A pistons and how does it affect performance?
The S2412A pistons weigh 460 grams each. Lighter pistons can improve engine response and reduce stress on connecting rods, but it's crucial to balance the entire rotating assembly to maintain reliability.
Are the S2412A pistons suitable for high boost applications?
Yes, the S2412A pistons are designed with features like gas ports and anti-detonation grooves, making them suitable for high boost applications. However, proper tuning, fuel quality, and engine clearances are critical for reliability under high boost conditions.
