What does 'file-fit' mean for these piston rings?

File-fit rings are designed to be custom-gapped by the installer. You'll need to measure your cylinder bore and carefully file the ends of the rings to achieve the correct gap for your specific engine application. This allows for a more precise seal than pre-gapped rings.

What materials are the rings made from?

The top ring and oil ring are made from carbon steel nitride, known for its strength and sealing capabilities. The second ring is made from ductile iron phosphate, which contributes to oil control and sealing.

Are these rings compatible with all 4-cylinder engines?

While designed for 4-cylinder engines, the file-fit nature means they can be adapted to a wide range of bores. However, it's crucial to verify the specific dimensions and requirements for your engine model before installation. This part is not CARB approved and cannot ship to California.

JE Pistons Piston Rings JG1004-3622 - 4 Cyl

Name: JE Pistons Ring Sets 1.0-1.2-2.8-3.622
Brand: JE Pistons
SKU: je-pistons-je-pistons-ring-sets-1-0-1-2-2-8-3-622-t14-298070
Price: 172.88 USD
Availability: InStock

JE Pistons Ring Sets 1.0-1.2-2.8-3.622

$172.88

Only 1 left in stock

JE Pistons Ring Sets JG1004-3622 for 4-cylinder engines. Features file-fit carbon steel nitride top and oil rings for improved sealing.

Key Features

Fits 4-cylinder engines.
File-fit design allows for precise gapping to match your engine's bore.
Top ring is 0.0394 inches thick, made of carbon steel nitride for excellent sealing.
Second ring is 0.0472 inches thick, made of ductile iron phosphate.
Low-tension oil ring is 0.1102 inches thick, made of carbon steel nitride.
Designed to maximize horsepower through precision sealing of combustion pressure.

⚠️ 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

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Product Details

Starting with a 0.0394-inch thick carbon steel nitride top ring, this JE Pistons ring set is built for serious sealing. This specific set, part number JG1004-3622, is designed for 4-cylinder engines and features a file-fit design, meaning you can precisely gap the rings to your specific application. This level of customization is what top racing teams rely on to maximize horsepower by ensuring a tight seal against the cylinder wall, preventing combustion pressure from escaping.

Beyond the top ring, you'll find a 0.0472-inch ductile iron phosphate second ring, which helps control oil consumption and further aids in the sealing process. The oil control ring is a low-tension 0.1102-inch carbon steel nitride design, engineered to keep oil where it belongs. JE Pistons uses the same materials and techniques found in professional racing, like those used by NHRA Pro Stock and NASCAR teams, to offer improved durability and reduced friction for more power.

Because these are file-fit rings, they require careful measurement and filing to achieve the correct end gap for your engine's bore. This ensures optimal performance and longevity. Please note that this part is not CARB approved and cannot be shipped to California.