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

File-fit rings require you to manually adjust the end gap to match your specific cylinder bore size. This allows for a more precise seal than pre-gapped rings. You'll need to carefully measure and file the gap according to the manufacturer's specifications.

What materials are the JE Pistons rings made from?

The top and oil rings are made from carbon steel nitride, chosen for its strength and heat resistance. The second ring is made from ductile iron phosphate, which contributes to effective 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 various bore sizes. However, it's essential to verify the specific bore diameter and consult JE Pistons' fitment guide to ensure they are suitable for your particular engine model.

JE Pistons Piston Rings JG1004-3405

Name: JE Pistons Ring Sets 1.0-1.2-2.8-3.405
Brand: JE Pistons
SKU: je-pistons-je-pistons-ring-sets-1-0-1-2-2-8-3-405-t14-298060
Price: 172.88 USD
Availability: InStock

JE Pistons Ring Sets 1.0-1.2-2.8-3.405

$172.88

Only 1 left in stock

JE Pistons file-fit piston ring set for 4-cylinder engines. Maximizes horsepower through precise combustion sealing.

Key Features

Fits 4-cylinder engines.
File-fit design allows for custom gap adjustment.
Top ring is 0.0394 inch thick carbon steel nitride for durability.
Second ring is 0.0472 inch ductile iron phosphate for improved sealing.
Low tension oil ring is 0.1102 inch carbon steel nitride to reduce friction.
Designed to maximize horsepower through precision 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

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Product Details

When you're rebuilding the top end of your 4-cylinder engine, getting the piston rings right is crucial for sealing combustion pressure and maximizing horsepower. This set from JE Pistons is designed for that purpose, offering a file-fit configuration that allows for precise gap adjustment to match your specific cylinder bore.

This particular set features a 0.0394-inch thick carbon steel nitride top ring, known for its durability and ability to handle high temperatures. The second ring is a 0.0472-inch ductile iron phosphate ring, which helps with oil control and provides a solid seal. For the oil control ring, you get a low-tension 0.1102-inch carbon steel nitride design, engineered to reduce drag and improve overall engine efficiency. These are the same types of services and materials used by top racing teams, offering improved durability and reduced friction for better power output.

Remember, these rings are file-fit, meaning you'll need to carefully file the end gap to the correct specification for your engine's bore size before installation. Always refer to the manufacturer's instructions for proper gap setting and installation procedures.