What is the benefit of plasma-sprayed steel and HVOF Moly coating?

The plasma-sprayed steel on the top ring provides a hard, durable surface. The HVOF Moly coating further enhances wear resistance, helping the rings stand up to the heat and pressure found in performance engines.

What does the 1.0mm top ring thickness signify?

A 1.0mm top ring is a common specification for performance and racing engines. It offers a good balance between effective sealing of combustion gases and minimizing friction within the cylinder bore.

Are these rings suitable for all engine builds?

These rings are designed for performance applications where durability and a strong seal are needed. Due to their specific construction and coating, they are a solid choice for performance engine rebuilds, but always verify compatibility with your specific engine build and consult your service manual.

Mahle Plasma Steel Top Ring Set 3011069B

Name: Mahle Rings Perf Plasma Steel Top Ring 4.140in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-plasma-steel-top-ring-4-140in-x-1-0mm-143in-rw-hvof-mo-t14-47885
Price: 666.66 USD
Availability: BackOrder

Mahle Rings Perf Plasma Steel Top Ring 4.140in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)

$666.66

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 Steel Top Ring Set. Part# 3011069B. For engine rebuilding.

Key Features

This is a Mahle OE Plasma Steel Top Ring set.
Features plasma-sprayed steel top rings with HVOF Moly coating for improved wear resistance.
Top ring thickness is 1.0mm.
The ring groove width is .143 inches.
Includes 48 rings in a bulk pack, suitable for multiple engine builds.
Not CARB approved; cannot ship to California.

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Product Details

When you're rebuilding the top end of an engine, getting the piston rings right is crucial for sealing combustion pressure and controlling oil. This Mahle OE Plasma Steel Top Ring set is built for performance applications where durability and a solid seal are paramount. These rings are designed to handle the demands of engines that see frequent use or are built for increased power output.

What sets these rings apart is the plasma-sprayed steel construction on the top ring, combined with a High Velocity Oxygen Fuel (HVOF) Moly coating. This advanced combination offers excellent wear resistance against the cylinder wall, even under high temperatures and pressures. The 1.0mm top ring thickness is a common spec for performance builds, offering a good balance of sealing and reduced drag. This bulk pack of 48 rings means you'll have plenty on hand for multiple engine builds or for a shop stocking up on essential components.

It's important to note that these rings are not CARB approved and cannot be shipped to California. Always refer to your engine's specific service manual for proper installation procedures and ring gap specifications to ensure optimal performance and longevity.