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

The nitride coating on these steel piston rings helps to improve their durability and resistance to wear. This treatment can also contribute to better oil control and reduced friction within the cylinder, leading to improved engine performance and longevity.

Are these piston rings suitable for all types of gasoline engines?

These rings are specifically designed for performance gasoline engines where a 4.585-inch bore and 0.043-inch ring thickness are specified. While they are well-built, they may not be the correct specification for stock or lower-performance applications. Always confirm your engine's requirements before purchasing.

What does 'bulk pack' mean for this product?

A bulk pack means that this product is sold in a larger quantity than a standard set, containing 48 individual piston rings. This is often beneficial for engine builders or shops that perform multiple engine builds and require a consistent supply of parts.

Mahle Piston Rings 4.585in Steel 3011203B

Name: Mahle Rings Perf Gas Nitride Steel 4.585in x .043in .171 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-gas-nitride-steel-4-585in-x-043in-171-rw-bulk-plain-ri-t14-48565
Price: 603.10 USD
Availability: BackOrder

Mahle Rings Perf Gas Nitride Steel 4.585in x .043in .171 RW Bulk Plain Ring Set (48 Qty Bulk Pack)

$603.10

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 steel piston rings for performance gas engines. 4.585in bore, 0.043in thickness. Bulk pack of 48.

Key Features

Fits engines with a 4.585-inch bore.
Features a 0.043-inch ring thickness and 0.171-inch ring width.
Constructed from durable steel with a nitride coating for enhanced wear resistance.
Designed for performance gasoline engine applications.
Bulk pack contains 48 individual piston rings.
From Mahle OE, a well-known name in engine components.

These piston rings are designed for engines with a 4.585-inch bore. Please verify compatibility with your specific engine build and piston specifications.

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Product Details

This is a bulk pack of 48 Mahle OE performance gas piston rings, designed for a 4.585-inch bore with a 0.043-inch ring thickness. These rings are made from steel and feature a nitride coating for improved durability and performance in demanding engine builds. They are intended for use in performance gasoline engines where precise sealing and robust construction are critical.

Mahle has a long history of supplying high-quality engine components, and these piston rings are built to meet those standards. The nitride surface treatment on these steel rings helps to reduce friction and wear, which can lead to better oil control and improved compression over time. This bulk pack is ideal for engine builders or shops that frequently work on performance gas engines and need a reliable supply of high-quality rings. The 0.171-inch ring width is a common specification for many performance applications, ensuring good compatibility with a wide range of pistons.

When rebuilding or modifying a performance gas engine, the piston rings are a crucial component for sealing the combustion chamber and managing oil. Choosing well-built rings like these from Mahle OE ensures that your engine can achieve optimal compression and longevity. Please note that these rings are not CARB approved and cannot be shipped to California.