What is the purpose of the nitride coating on the top ring?

The nitride coating on the top ring helps it seal combustion pressure more effectively. This improved sealing is crucial for maximizing horsepower and ensuring efficient engine operation.

Are these rings a direct fit or do they require modification?

This is a file fit ring set, meaning it is designed to be custom-sized during installation for a precise fit. Refer to the manufacturer's instructions for the proper fitting procedure.

What is the difference between the top, second, and oil rings?

The top ring handles the primary sealing of combustion pressure. The second ring also aids in sealing and helps control oil consumption. The oil ring's job is to scrape excess oil from the cylinder walls, preventing it from entering the combustion chamber.

JE Pistons Piston Ring Set JG7708-4040-5

Name: JE Pistons Ring Sets .043-.043-3.0-102.743
Brand: JE Pistons
SKU: je-pistons-je-pistons-ring-sets-043-043-3-0-102-743-t14-461042
Price: 299.99 USD
Availability: BackOrder

JE Pistons Ring Sets .043-.043-3.0-102.743

$299.99

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 JG7708-4040-5. Features a .043 in. carbon steel nitride top ring for precise sealing.

Key Features

Fits 8 cylinder engines.
Features a .043 inch carbon steel nitride top ring for precise sealing.
Includes a .043 inch ductile iron phosphate second ring.
Low tension .1181 inch carbon steel chrome oil ring is included.
File fit design allows for custom sizing during installation.
Not CARB approved; cannot ship to California.

⚠️ 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 .043 inch carbon steel nitride top ring, this JE Pistons ring set is built for serious engine work. The nitride coating on the top ring helps it seal combustion pressure effectively, which is key to getting the most horsepower out of your engine. This set also includes a .043 inch ductile iron phosphate second ring and a low tension .1181 inch carbon steel chrome oil ring, all designed to work together for optimal performance.

JE Pistons offers these rings in a wide range of sizes and materials to fit many different engines. The same custom services used by top racing teams, like back cutting and PVD coating, are available to enhance durability and reduce friction, leading to improved power and a better ring seal. This set is a well-built option for anyone rebuilding or modifying their engine.

Keep in mind that these rings are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and setup.