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

File-fit means the end gap of the piston rings is not pre-set. You will need to carefully file the ends of the rings to achieve the correct gap for your specific cylinder bore dimensions. This allows for a more precise seal, especially in custom or performance engine builds.

What materials are used in this piston ring set?

The top ring is made of ductile iron with a Plasmy Moly coating, the second ring is iron phosphate, and the oil ring is carbon steel with a chrome coating and low tension design.

Are these rings suitable for a stock engine rebuild?

While JE Pistons are known for performance applications, their precision sealing can also benefit a stock rebuild. The file-fit nature requires careful measurement and adjustment, so it's best suited for those comfortable with engine assembly details or working with a professional.

JE Pistons Piston Ring Set 1/16-1/16-3/16 J50008-4155-5

Name: JE Pistons Ring Sets 1/16-1/16-3/16 RING
Brand: JE Pistons
SKU: je-pistons-je-pistons-ring-sets-1-16-1-16-3-16-ring-t14-297007
Price: 304.99 USD
Availability: BackOrder

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

$304.99

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 are known for precision sealing. This set features file-fit rings for 8-cylinder engines.

Key Features

Fits 8-cylinder engines.
File-fit design allows for custom end gap sizing.
Top ring is 0.064 inch ductile iron Plasmy Moly.
Second ring is 0.064 inch iron phosphate.
Oil ring is 0.188 inch carbon steel chrome low 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

Secure CheckoutFast Shipping631-982-0042

Product Details

JE Pistons is well-known for making high-performance engine components, and their piston ring sets are a prime example of that expertise. This particular set is designed for 8-cylinder engines and features a file-fit design, meaning you can precisely shape the end gap to match your specific cylinder bore for optimal sealing. This is crucial for maximizing horsepower by ensuring combustion pressure stays where it belongs.

The construction of this ring set includes a 0.064-inch ductile iron Plasmy Moly top ring, which is built for durability and effective sealing. The second ring is also 0.064-inch and made of iron phosphate, further contributing to a solid seal. For the oil control, a 0.188-inch carbon steel chrome low-tension oil ring is included, designed to manage oil effectively while minimizing drag. These are the same types of services and materials used by professional racing teams, offering improved durability and reduced friction for better power output.

Keep in mind that this ring set is not CARB approved and cannot be shipped to California. It's important to check manufacturer fitment data to confirm compatibility with your specific vehicle and engine build.