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

The nitride coating hardens the surface of the steel rings, which significantly improves their wear resistance. This treatment also helps to reduce friction between the ring and the cylinder wall, contributing to better sealing and potentially longer ring life.

What does 'bulk pack' mean for this product?

This product is a bulk pack containing 48 individual piston ring sets. This quantity is ideal for professional engine builders, machine shops, or individuals working on multiple engine projects simultaneously.

Are these piston rings suitable for all types of engines?

These rings are specifically designed for performance gas engine applications. While they are a well-built component, it's important to ensure they match the specific requirements of your engine build, including bore size and ring groove dimensions.

Mahle OE Piston Rings 3011172B - Performance Gas Nitride Ste

Name: Mahle Rings Perf Gas Nitride Steel 4.055 x .043 .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-gas-nitride-steel-4-055-x-043-157-rw-bulk-plain-ring-s-t14-48636
Price: 604.52 USD
Availability: BackOrder

Mahle Rings Perf Gas Nitride Steel 4.055 x .043 .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)

$604.52

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 Nitride Steel Piston Rings. Bulk pack of 48 rings for engine builds.

Key Features

Fits 4.055 inch bore size.
Ring thickness is .043 inches.
Ring groove width is .157 inches.
Constructed from steel for durability.
Features a nitride coating for improved wear resistance and reduced friction.
Bulk pack contains 48 individual ring sets.

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Product Details

Mahle is a well-known name in the automotive industry, particularly for their expertise in engine components. This bulk pack of performance gas piston rings, part number 3011172B, is designed for engine rebuilding projects where precision and durability are key. These rings are constructed from steel and feature a nitride coating, which is a surface treatment that hardens the ring and improves its wear resistance, especially important in high-performance gas engine applications.

Each ring in this set measures 4.055 inches in bore size with a thickness of .043 inches and a .157 inch ring groove width. The nitride finish helps reduce friction and wear, contributing to a longer ring life and better sealing within the cylinder. This bulk pack contains 48 individual ring sets, making it a practical choice for shops or builders working on multiple engines or larger engine projects. The steel construction offers a solid foundation for reliable performance under demanding conditions.

When rebuilding an engine, selecting the right piston rings is crucial for proper cylinder sealing, oil control, and overall engine health. These Mahle rings are a solid option for those looking for a well-built component from a reputable manufacturer. Please note that this product is not CARB approved and cannot be shipped to California.