Chevrolet 18° Flat Top 400 Chevrolet with Gas Ports 418, Bore 4.145, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2180)
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Chevrolet 18 Degree Flat Top 400 with Gas Ports - CP Pistons S2180
Enhance your engine's performance with the Chevrolet 18 Degree Flat Top 400, designed for precision and power. This high-quality piston set, featuring gas ports, is perfect for those seeking optimal efficiency and reliability. Crafted by CP Pistons, the S2180 model ensures superior durability and performance for your Chevrolet engine.
- Bore: 4.145 inches
- Compression Height (CH): 1.062 inches
- Stroke: 3.875 inches
- Rod Length: 6.000 inches
- Configuration: Lefts & Rights
- Engine Type: 400 Chevrolet
- Design: 18 Degree Flat Top with Gas Ports
Whether you're upgrading or replacing, the CP Pistons S2180 set is engineered to deliver exceptional performance and longevity. Trust in the precision and craftsmanship of CP Pistons to keep your Chevrolet running at its best.
| Product Name | Chevrolet 18° Flat Top 400 Chevrolet with Gas Ports 418, Bore 4.145, CH 1.062, Stroke 3.875, Rod 6.000 - Lefts & Rights (CP Pistons S2180) |
|---|---|
| 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 CP Pistons S2180?
For the CP Pistons S2180, a typical bore clearance of 0.0040" to 0.0045" is recommended. This ensures proper thermal expansion and allows for optimal performance, especially under high load conditions.
What type of fuel is best suited for the S2180 pistons?
The S2180 pistons are designed for high-performance applications, and using premium fuel with a higher octane rating is advisable. This helps prevent detonation and allows the engine to operate efficiently, especially when tuned for increased power.
Do I need to modify my cylinder head for the S2180 pistons?
Depending on your specific engine setup, you may need to check for clearance between the pistons and the cylinder heads, especially if using high-lift camshafts. Ensuring adequate clearance is crucial to avoid piston-to-valve contact during operation.
What is the benefit of the gas ports on the S2180 pistons?
The gas ports on the S2180 pistons improve ring seal by allowing combustion gases to pressurise the ring area. This helps reduce blow-by and enhances overall efficiency, making them ideal for high-performance applications.
What is the expected compression ratio with the S2180 pistons in a 400 Chevrolet?
The compression ratio will depend on the cylinder head design and combustion chamber volume. Typically, with the S2180 pistons, you can expect a compression ratio in the range of 10:1 to 12:1, but it's essential to calculate based on your specific setup for accuracy.
