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

File fit means the ends of the piston rings are not pre-gapped. You will need to carefully file them to the correct gap for your specific cylinder bore size during installation. This allows for a more precise fit and better sealing.

What is the purpose of the different ring materials?

The different materials are chosen for specific functions. The ductile iron top ring with plasma moly is for sealing combustion pressure and resisting wear. The iron phosphate second ring helps control oil and provides a secondary seal. The low-tension carbon steel oil ring efficiently scrapes oil from the cylinder walls.

Are these rings suitable for all engine builds?

JE Pistons offers a huge selection of sizes and materials for various engines. While this set is designed for precise sealing and horsepower gains, it's important to ensure it matches the specifications of your particular engine build and cylinder bore.

JE Pistons Ring Set 1/16-1/16-3mm J30001-4165-5

Name: JE Pistons Ring Sets 1/16-1/16-3mm RING
Brand: JE Pistons
SKU: je-pistons-je-pistons-ring-sets-1-16-1-16-3mm-ring-t14-296923
Price: 37.58 USD
Availability: BackOrder

JE Pistons Ring Sets 1/16-1/16-3mm RING

$37.58

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

JE Pistons Ring Sets 1/16-1/16-3mm RING. Designed to seal combustion pressure for maximum horsepower.

Key Features

Fits 1 cylinder.
File fit design allows for precise sizing to your cylinder bore.
Top ring is 0.064 inch ductile iron with plasma moly coating for durability and sealing.
Second ring is 0.064 inch iron phosphate.
Oil ring is 0.1181 inch carbon steel chrome with low tension for reduced friction.

⚠️ 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 0.064 inch ductile iron plasma moly top ring, this JE Pistons ring set is built for precise sealing of combustion pressure. This level of sealing is key to maximizing horsepower in your engine build. The set also includes a 0.064 inch iron phosphate second ring and a 0.1181 inch carbon steel chrome low tension oil ring, all designed to work together for optimal performance.

JE Pistons offers these rings in a wide variety of sizes and materials to fit many different engines. They are file-fit, meaning you can precisely size them to your cylinder bore during installation for a perfect seal. This attention to detail in material selection and design is what helps top racing teams achieve gains in durability and power through reduced friction and improved ring seal.

This particular set is for a single cylinder and is not CARB approved, so it cannot be shipped to California. Always refer to the manufacturer's instructions for proper file-fitting and installation to ensure you get the best performance from these rings.