What is the purpose of the plasma-moly coating on these rings?

The plasma-moly coating is a hard, wear-resistant surface treatment applied to the steel ring. It helps reduce friction and wear between the ring and the cylinder wall, which extends the life of both components and maintains a good seal.

Are these rings a direct replacement for any specific engine?

These rings are designed for pistons with a 4.5675 inch bore, a .0625 inch ring thickness, and a .190 inch ring width. You will need to verify your specific engine's piston and ring specifications to ensure compatibility.

What is required for proper installation of these piston rings?

For optimal performance and longevity, it's important that the cylinder walls are properly honed and clean before installation. This allows the rings to seat correctly against the cylinder wall, ensuring a good seal.

Mahle OE Piston Rings 3011124 - Plasma Moly Steel

Name: Mahle Rings Plasma Moly Steel Top Compression Ring 4.5675 x .0625in .190in RW Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-plasma-moly-steel-top-compression-ring-4-5675-x-0625in-190i-t14-47560
Price: 116.12 USD
Availability: BackOrder

Mahle Rings Plasma Moly Steel Top Compression Ring 4.5675 x .0625in .190in RW Moly Ring Set

$116.12

On Backorder

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

Mahle OE Plasma Moly Steel Top Compression Rings. Part# 3011124. Direct fit.

Key Features

Fits engines requiring 4.5675 inch bore pistons with .0625 inch ring thickness and .190 inch ring width.
Plasma-moly steel construction offers improved wear resistance and reduced friction.
Designed to maintain a proper seal for optimal engine compression.
Mahle OE rings are a well-known option for engine rebuilding.
The plasma-moly coating is bonded to the steel for a durable surface.

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Product Details

These Mahle top compression rings feature a plasma-moly steel construction, measuring 4.5675 inches in diameter with a .0625 inch thickness and a .190 inch width. This specific design is built for durability and performance in the upper cylinder area. The plasma-moly coating is known for its ability to reduce friction and wear, which helps maintain a good seal between the piston and cylinder wall over time. This is crucial for proper engine compression and efficient combustion. Mahle OE rings are a popular choice for engine rebuilds where reliability and a solid seal are important.

The plasma-moly surface treatment on these rings is applied to create a very hard, wear-resistant layer. This coating is bonded to the steel ring, offering a strong barrier against the abrasive forces within the cylinder. This helps extend the life of both the rings and the cylinder walls, reducing the need for premature replacement. When installing, ensure the cylinder walls are properly honed and clean to allow the rings to seat correctly for optimal performance.