SBC 408ci Fit All 13°, Bore 4.135, CH 1.100, Stroke 3.800, Rod 6.000, CR 13.8, Dome, 50 Head CC - Lefts & Rights (CP Pistons S2422A)
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|
Make |
Chevrolet |
|
Engine Type |
13˚ Dome 400 Chevy |
|
Part Number |
S2422A |
|
Bore (in) |
4.135 |
|
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 |
468 |
|
Gas Port |
Yes |
|
Capacity |
408 |
|
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 408ci Fit All 13°, Bore 4.135, CH 1.100, Stroke 3.800, Rod 6.000, CR 13.8, Dome, 50 Head CC - Lefts & Rights (CP Pistons S2422A) |
|---|---|
| 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 SBC 408ci with these pistons?
The S2422A pistons are designed for a compression ratio of 13.8:1. Ensure that your cylinder head chamber volume and other engine parameters are compatible to achieve this ratio.
What machining is required for the S2422A pistons?
These pistons may require specific bore clearances and ring gap settings as per your engine build. Additionally, ensure the piston pin fitment is checked, as pin-fitting is included but may require final adjustments.
Can the dome height of the S2422A pistons be modified?
Yes, the domes on the S2422A pistons can be cut to a flat top if needed. This should be done with care to maintain balance and performance characteristics.
What is the weight of the S2422A pistons and how does it affect performance?
Each S2422A piston weighs 468 grams. While this weight is typical for high-performance applications, ensure that your rotating assembly is balanced accordingly to avoid vibrations and ensure reliability at high RPMs.
Do the S2422A pistons come with gas ports, and what is their purpose?
Yes, the S2422A pistons are equipped with gas ports. These ports help improve ring seal and reduce blow-by by allowing combustion gases to pressurise the ring area, enhancing overall performance.
