Dedicated right and left forgings; Pin-fitting included at no cost; Chamfered pins, Rings and wire locks included; Accumulator 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
More Information
Product Name
Chevrolet 13° Dome 400 Chevrolet 415, Bore 4.130, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2411A)
Brands
CP Carrillo
Engine
Chev
Make
GM
Delivery & Freight
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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 S2411A pistons?
The bore clearance for the S2411A pistons should be determined based on your specific engine build, but a typical range is around 0.0030" to 0.0040". Always consult your engine builder for precise measurements tailored to your application.
What type of ring gaps should I use with the S2411A pistons?
The ring gaps for the S2411A pistons should be set according to the intended use of the engine. For high-performance applications, a common guideline is 0.004" to 0.005" per inch of bore. However, always verify with your engine builder based on your specific setup.
Can the dome height of the S2411A pistons be modified?
Yes, the dome height of the S2411A pistons can be cut to a flat top if required. This modification should be done carefully to maintain balance and performance characteristics. Consult with a professional machinist for best practices.
What is the significance of the gas ports in the S2411A pistons?
The gas ports in the S2411A pistons are designed to improve ring seal and reduce blow-by by allowing combustion gases to pressurise the ring pack. This feature is particularly beneficial in high-performance applications where maximum efficiency is desired.
How should I handle the pin fitting for the S2411A pistons?
Pin fitting for the S2411A pistons is included at no additional cost. Ensure that the pin fitment is done accurately to maintain proper clearance and prevent excessive wear. It's recommended to have this done by a qualified machinist to ensure precision.
