What is the benefit of the nitride coating on these piston rings?

The nitride coating is a surface hardening treatment applied to the steel rings. This process creates a very hard surface that significantly improves wear resistance and helps to reduce friction between the ring and the cylinder wall. This is beneficial for engine longevity and performance, especially in demanding applications.

What does 'bulk pack of 48' mean for my engine build?

This means the set contains 48 individual piston rings. This quantity is ideal for professional engine builders or shops that work on multiple engines simultaneously, ensuring you have enough rings for several builds or a large project without needing to place multiple orders.

Are these piston rings suitable for all types of engines?

These are specifically performance gas piston rings. While they are well-built and durable, they are intended for gasoline engines that are built for performance applications. Always confirm compatibility with your specific engine build and requirements.

Mahle OE Piston Rings 3011197B - Performance Gas Nitride Ste

Name: Mahle Rings Perf Gas Nitride Steel 4.180in x .043in .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-gas-nitride-steel-4-180in-x-043in-157-rw-bulk-plain-ri-t14-48584
Price: 521.88 USD
Availability: BackOrder

Mahle Rings Perf Gas Nitride Steel 4.180in x .043in .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)

$521.88

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 gas piston rings. Nitride steel, 4.180in bore, .043in thickness. Bulk pack of 48.

Key Features

Fits a 4.180 inch bore diameter.
Each ring measures 0.043 inches in thickness.
Constructed from steel for durability.
Features a nitride coating for improved wear resistance and reduced friction.
Sold in a bulk pack containing 48 rings.
Designed for performance gas engine applications.

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Product Details

Mahle is a well-known name in the automotive industry, particularly for their engine components. This bulk pack of performance gas piston rings, part number 3011197B, is designed for engine builders and performance applications where precision and durability are key. These rings are made from steel and feature a nitride coating, which is a surface hardening treatment that helps improve wear resistance and reduce friction. This means they can handle the demands of higher performance engines while maintaining good sealing for optimal power output.

Each ring in this set measures 4.180 inches in bore diameter and has a thickness of 0.043 inches, with a standard ring groove depth. The nitride treatment is applied to the ring face, the part that contacts the cylinder wall, to create a very hard surface. This is important for longevity, especially in engines that see frequent use or are built for competition. Because these are sold in a bulk pack of 48, they are ideal for shops that work on multiple engines or are building several performance vehicles at once. This ensures you have enough rings on hand for your projects without needing to reorder frequently.

When rebuilding an engine, especially one that's being built for performance, the piston rings are a critical component for sealing the combustion chamber and managing oil. These Mahle rings are a solid option for those looking for a well-built, durable ring set that offers improved performance characteristics due to the steel construction and nitride coating. Please note that these rings are not CARB approved and cannot be shipped to California.