Specifications
- Brand
- JE Pistons
- Part #
- JG31F8-4040-2
- UPC
- 193564240866

JE Pistons Ring Sets 1.2-1.5-3.0-102.67
$286.23
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JE Pistons ring set JG31F8-4040-2. Designed for 8 cylinders, these file-fit rings help seal combustion pressure for improved performance.
Key Features
- Fits 8-cylinder engines.
- File-fit design allows for custom gapping to your cylinder bore.
- Top ring is 0.0472 inches, made of carbon steel with a nitride finish.
- Second ring is 0.0591 inches, made of iron phosphate.
- Oil ring is 0.1181 inches, made of carbon steel with a chrome finish and standard tension.
- Designed to maximize horsepower through precise combustion pressure sealing.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
JE Pistons has a reputation for making high-performance engine parts, and this piston ring set is a great example of that. If you're rebuilding an 8-cylinder engine and need to ensure a solid seal for combustion pressure, these rings are built for the job. They are designed to maximize horsepower by creating a precise seal between the piston and cylinder wall, which is crucial for getting the most out of your engine.
This particular set features a 0.0472-inch carbon steel nitride top ring, a 0.0591-inch iron phosphate second ring, and a 0.1181-inch carbon steel chrome standard tension oil ring. They are file-fit, meaning you'll need to gap them to your specific cylinder bore during installation, a common practice for performance builds to achieve optimal sealing. JE Pistons also offers custom services like back cutting and PVD coating, which are used by top racing teams to further enhance durability and reduce friction, though this set comes with their standard, well-built components.
When installing these rings, remember they are file-fit, so proper gapping is essential for performance and longevity. It's always a good idea to consult your engine's service manual or a trusted mechanic for the correct gapping procedure.
Specifications
- Brand
- JE Pistons
- Manufacturer Part #
- JG31F8-4040-2
- UPC
- 193564240866
Frequently Asked Questions
JE Pistons Ring Sets 1.2-1.5-3.0-102.67
