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

File-fit rings require you to adjust the gap between the ends of the ring to match your specific piston and cylinder bore dimensions. This allows for a more precise fit than pre-gapped rings, which is important for engine sealing and performance.

What tools are needed to install these rings?

Installing file-fit piston rings typically requires a piston ring compressor, a piston ring expander, and a ring gapper tool. It's also recommended to have a feeler gauge set to accurately measure the ring gap.

Are these rings compatible with all 6-cylinder engines?

These rings are specifically for a 98mm bore size and are intended for 6-cylinder engines. You must confirm that your engine uses pistons with a 98mm bore and is a 6-cylinder configuration to ensure compatibility.

Mahle MS 98mm Piston Ring Set 1.2/1.2/3.0mm PR98MS-12

Name: Mahle MS 98mm 1.2 / 1.2 / 3.0mm File Fit Ring Set (6cyl)
Brand: Mahle
SKU: mahle-mahle-ms-98mm-1-2-1-2-3-0mm-file-fit-ring-set-6cyl-t14-224498
Price: 382.12 USD
Availability: BackOrder

Mahle MS 98mm 1.2 / 1.2 / 3.0mm File Fit Ring Set (6cyl)

$382.12

On Backorder

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

Mahle MS 98mm 1.2 / 1.2 / 3.0mm File Fit Ring Set (6cyl)

Key Features

Fits 6-cylinder engines with a 98mm bore.
File-fit design allows for custom gapping to ensure a precise seal.
Includes a 1.2mm top ring, 1.2mm second ring, and 3.0mm oil ring.
Mahle is a popular brand for engine components.
Not CARB approved; cannot ship to California.

This piston ring set is designed for 6-cylinder engines with a 98mm bore. Please verify your engine's specifications and piston bore size before ordering.

⚠️ 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

This is a Mahle MS 98mm piston ring set, specifically designed for 6-cylinder engines. These rings are file-fit, meaning you'll need to gap them to your specific piston and cylinder bore during installation. This allows for a precise fit, which is crucial for proper sealing and optimal engine performance. Mahle is a well-known name in engine components, and this set is built to meet the demands of engine rebuilding.

The ring set features a 1.2mm top ring, a 1.2mm second ring, and a 3.0mm oil ring. This configuration is common in many 6-cylinder applications and is designed to provide good sealing against combustion pressures while effectively controlling oil consumption. The file-fit nature of these rings means they offer a high degree of customization for engine builders who want to achieve the best possible performance and longevity from their rebuild. It's important to have the correct tools and knowledge for gapping piston rings to ensure a successful installation.

When rebuilding an engine, using a well-made set of piston rings like these from Mahle is a solid choice. They are designed to work with 98mm bore pistons. Remember that this set is not CARB approved and cannot be shipped to California. Always refer to your vehicle's service manual for specific installation procedures and specifications.