What is the benefit of plasma moly steel for piston rings?

Plasma moly steel is a strong material known for its durability and ability to withstand high temperatures. The plasma moly coating provides a hard, wear-resistant surface that reduces friction against the cylinder wall, promoting proper seating and extending the life of both the rings and the cylinder.

What does the '48 Qty Bulk Pack' mean?

This means the product comes with 48 individual piston rings in one package. This is a practical option for engine builders who are working on multiple engines or require a large quantity for a single, high-volume project.

Are these rings suitable for all engine builds?

These rings are designed for performance applications where consistent sealing under demanding conditions is critical. Due to their specific design and material, they are a solid option for performance-oriented engine rebuilds. However, they are not CARB approved and cannot be shipped to California.

Mahle OE Piston Rings 3011028B - 4.630in x 1.0MM

Name: Mahle Rings Perf Plasma Moly Steel Top Comp Ring 4.630in x 1.0MM .143 RW Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-plasma-moly-steel-top-comp-ring-4-630in-x-1-0mm-143-rw-t14-48002
Price: 875.00 USD
Availability: BackOrder

Mahle Rings Perf Plasma Moly Steel Top Comp Ring 4.630in x 1.0MM .143 RW Ring Set (48 Qty Bulk Pack)

$875.00

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 performance plasma moly steel top compression rings. 4.630in bore, 1.0mm thickness. Bulk pack of 48 rings.

Key Features

Fits a 4.630 inch bore diameter.
Features a 1.0mm top compression ring thickness.
Plasma moly steel construction offers durability and wear resistance.
The .143 inch radial width is suitable for many performance piston designs.
This is a bulk pack containing 48 rings.
Not CARB approved; cannot ship to California.

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Product Details

These Mahle top compression rings are made from plasma moly steel, a strong material chosen for its durability and ability to handle high temperatures. Each ring measures 4.630 inches in bore diameter and has a 1.0mm thickness, with a .143 inch radial width. This specific design is intended for performance applications where consistent sealing under demanding conditions is critical.

The plasma moly coating on these rings is a notable feature. It's a hard, wear-resistant surface that helps reduce friction between the ring and the cylinder wall. This not only helps the rings seat properly and quickly, but it also contributes to longer ring and cylinder life, especially in engines that see a lot of use or operate at higher performance levels. This bulk pack contains 48 rings, making it a practical choice for engine builders working on multiple projects or high-volume rebuilds.

When rebuilding an engine, especially one focused on performance, the piston rings are a crucial component for sealing the combustion chamber. Proper sealing ensures that the power generated by combustion is directed downwards to the piston, maximizing efficiency and performance. These Mahle rings are well-built to help achieve that goal. Keep in mind that these rings are not CARB approved and cannot be shipped to California.