410 Sprint Car Chevy Box Forging Fits All Pro 13° / Brodix 13° Heads, Bore 4.135, CH 1.100, .200 Dome w/Rings - Lefts & Rights (CP Pistons S2437X)
410 Sprint Car Chevy Box Forging Fits All Pro 13° / Brodix 13° Heads, Bore 4.140, CH 1.250, .200 Dome w/Rings - Lefts & Rights (CP Pistons S2443X)
410 Sprint Car Chevy Box Forging Fits All Pro 13° / Brodix 13° Heads, Bore 4.140, CH 1.100, .200 Dome w/Rings - Lefts & Rights (CP Pistons S2438X)
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|
Make |
Chevrolet |
|
Engine Type |
13˚ Dome 400 Chevy |
|
Part Number |
S2438X |
|
Bore (in) |
4.14 |
|
Stroke (in) |
3.8 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.1 |
|
Dome / Dish Height |
0.2 |
|
Dom/Dish CC |
-4.2 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.0 x 1.0 x 2.0mm |
|
VR Depth Int/Exh |
-.320 / SP |
|
Piston Weight |
477 |
|
Gas Port |
Yes |
|
Capacity |
409 |
|
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 | 410 Sprint Car Chevy Box Forging Fits All Pro 13° / Brodix 13° Heads, Bore 4.140, CH 1.100, .200 Dome w/Rings - Lefts & Rights (CP Pistons S2438X) |
|---|---|
| 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 S2438X pistons?
The recommended bore clearance for the S2438X pistons is typically around 0.0030" to 0.0035". However, this can vary based on your specific engine build and application, so it's best to consult with your engine builder for precise measurements.
What type of rings are included with the S2438X pistons?
The S2438X pistons come with a ring set featuring 1.0mm, 1.0mm, and 2.0mm thicknesses. Ensure that the ring gaps are set according to your engine's specifications and intended use.
Are the S2438X pistons suitable for high RPM applications?
Yes, the S2438X pistons are designed for high-performance applications, including sprint car racing. Their construction and features, such as gas ports and double pin oilers, enhance durability and performance at high RPMs. However, reliability will depend on proper machining, clearances, and tuning.
What is the weight of the S2438X pistons, and how does it affect performance?
The S2438X pistons weigh 477 grams each. Lighter pistons can improve engine responsiveness and reduce reciprocating mass, which is beneficial for high-revving applications. However, ensure that the overall rotating assembly is balanced to maintain engine stability.
Can the dome height of the S2438X pistons be modified?
Yes, the dome height of the S2438X pistons can be cut to a flat top if required. This modification may affect the compression ratio, so it's essential to recalculate your engine's specifications after any changes.
