What does plasma coating on a piston ring do?

Plasma coating on a piston ring creates a very hard and wear-resistant surface. This helps the ring last longer and maintain a good seal against the cylinder wall, even under high temperatures and pressures.

What is the benefit of an HVOF moly coating on the second ring?

HVOF (High Velocity Oxygen Fuel) moly coating on the second ring provides excellent wear resistance and helps with oil control. It's a durable surface that can withstand the rigors of engine operation.

Are these rings suitable for a stock engine rebuild?

These rings are designed for performance and heavy-duty applications, featuring advanced coatings for durability. While they can be used in a stock rebuild, they offer improved wear resistance and sealing capabilities beyond standard rings.

Mahle Piston Rings 3011065 - Performance Plasma Steel

Name: Mahle Rings Performance Plasma Steel Top Ring 4.080in x 1.0MM .143in RW HVOF Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-performance-plasma-steel-top-ring-4-080in-x-1-0mm-143in-rw--t14-47908
Price: 93.31 USD
Availability: BackOrder

Mahle Rings Performance Plasma Steel Top Ring 4.080in x 1.0MM .143in RW HVOF Moly Ring Set

$93.31

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 Piston Rings for engine rebuilds. Features plasma-coated steel top rings for improved durability.

Key Features

Top rings are plasma-coated steel for improved durability and wear resistance.
Second ring features an HVOF moly coating for added wear protection.
Designed for a precise fit in piston grooves to ensure proper sealing.
1.0mm top ring thickness is suitable for many performance and heavy-duty applications.
Mahle OE brand is a well-known name in engine components.

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Product Details

When you're rebuilding the top end of your engine, getting the piston rings right is crucial for sealing and performance. This set from Mahle OE features plasma-coated steel top rings, designed to handle the heat and pressure inside the cylinder. The plasma coating is a tough, wear-resistant surface that helps the ring maintain its seal against the cylinder wall, even under demanding conditions. This is important for keeping combustion gases from blowing past the piston and for preventing oil from entering the combustion chamber.

Mahle has been a well-known name in engine components for a long time, and these rings reflect that experience. The 1.0mm top ring thickness is a common size for many performance and heavy-duty applications, and the HVOF moly coating on the second ring adds another layer of wear resistance. These rings are built to fit precisely into the piston groove, ensuring proper tension and sealing. If you're looking for a solid set of rings for your engine build, these Mahle OE plasma steel rings are a popular choice.