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
More Information
Product Name
Chevrolet 13° Flat Top 400 Chevrolet 429, Bore 4.135, CH 1.000, Stroke 4.000, Rod 6.000 - Lefts & Rights (CP Pistons S2402)
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 S2402 pistons?
For the S2402 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on your specific engine build and operating conditions, so always consult with your engine builder for precise measurements.
What are the specific machining requirements for the S2402 pistons?
The S2402 pistons may require custom fitting to the bore, including honing for optimal clearance. Additionally, ensure that the ring grooves are properly machined to accommodate the specified ring thickness of .043 x .043 x 3.0mm.
Can the dome height of the S2402 pistons be modified?
Yes, the domes of the S2402 pistons can be cut to a flat top if required. This should be done by a qualified machinist to maintain balance and structural integrity.
What type of fuel is recommended for engines using S2402 pistons?
Engines using S2402 pistons typically perform best with high-octane fuel, especially if the engine is tuned for performance. Always consider your specific compression ratio and tuning setup when selecting fuel.
What is the significance of the gas ports in the S2402 pistons?
The gas ports in the S2402 pistons are designed to improve ring seal and reduce blow-by by allowing combustion gases to assist in forcing the rings against the cylinder wall. This feature is particularly beneficial in high-performance applications.
