Small Block Chevrolet 420ci Fit All 13° Dome, Bore 4.155, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2415A)
Small Block Chevy 23 degree heads 4.125 Bore 3.500 stroke 6.00 Rod 1.250 CH 14cc Dome 14.5 cr, Vert Gas Ports, 1mm, 1mm, 2mm, rings - Lefts & Rights (CP Bullets BCRE1345-STD)
Small Block Chevrolet 422ci Fit All 13° Dome, Bore 4.165, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2416A)
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|
Make |
Chevrolet |
|
Engine Type |
13˚ Dome 400 Chevy |
|
Part Number |
S2416A |
|
Bore (in) |
4.165 |
|
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 |
465 |
|
Gas Port |
Yes |
|
Capacity |
422 |
|
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 422ci Fit All 13° Dome, Bore 4.165, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2416A) |
|---|---|
| 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 S2416A pistons?
For the S2416A pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this may vary based on your specific engine build and operating conditions, so always consult with your engine builder for precise specifications.
What type of ring gaps should I use for the S2416A pistons?
The ring gaps for the S2416A pistons should be set according to the intended use of the engine. Generally, for a high-performance application, a gap of around 0.020" to 0.022" for the top ring and 0.018" to 0.020" for the second ring is a good starting point. Always verify with your engine builder for optimal settings.
Do the S2416A pistons require any special machining?
Yes, the S2416A pistons may require specific machining such as honing of the bore to achieve the correct clearance. Additionally, ensure that the valve reliefs are compatible with your cylinder head to avoid interference.
What is the weight of the S2416A pistons and how does it affect performance?
The S2416A pistons weigh 465 grams each. While this weight is suitable for high-performance applications, keep in mind that lighter pistons can improve engine response and reduce reciprocating mass. Balance the rotating assembly for optimal performance.
Can the dome height of the S2416A pistons be modified?
Yes, the dome height of the S2416A pistons can be cut to a flat top if desired. However, any modifications should be performed by a qualified machinist to ensure proper performance and reliability.
