What is the primary function of an oil ring assembly?

The oil ring assembly's main job is to scrape excess oil from the cylinder walls as the piston moves down. This prevents oil from entering the combustion chamber, which helps reduce oil consumption and keeps combustion cleaner.

Why would someone choose low-tension rings?

Low-tension rings create less friction against the cylinder wall compared to higher-tension rings. This can lead to a slight improvement in engine efficiency and potentially a small gain in horsepower by reducing parasitic drag.

What does the chrome plating on the ring do?

The chrome plating on the oil ring provides a hard, wear-resistant surface. This helps the ring maintain its sealing ability over a longer period and withstand the friction against the cylinder wall.

Mahle OE Piston Rings 3030906

Name: Mahle Rings Performance Oil Ring Assembly 4.630in x 3.0MM .137in RW Low Tension Chrome Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-performance-oil-ring-assembly-4-630in-x-3-0mm-137in-rw-low--t14-48129
Price: 36.85 USD
Availability: BackOrder

Mahle Rings Performance Oil Ring Assembly 4.630in x 3.0MM .137in RW Low Tension Chrome Ring Set

$36.85

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 Piston Rings, part# 3030906. Low tension chrome ring set for engine builds.

Key Features

Mahle OE Piston Rings, part# 3030906.
Low tension chrome ring set.
Designed for a 4.630-inch bore size.
Features a 3.0mm x 3.0mm x 4.0mm ring configuration.
Chrome plating offers wear resistance for longevity.

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Product Details

This is the Mahle OE Performance Oil Ring Assembly, part number 3030906. It's a low-tension, chrome ring set designed for engine builds where precise oil control is critical. The 4.630-inch bore size and 3.0mm x 3.0mm x 4.0mm ring configuration are specific to certain engine applications, ensuring a proper seal and efficient oil management.

Mahle is known for well-built engine components, and this oil ring assembly is no exception. The chrome plating on the ring provides a durable surface that resists wear, which is important for maintaining consistent tension and sealing performance over time. Low-tension rings are often chosen for performance applications because they reduce drag on the cylinder wall, potentially freeing up a small amount of horsepower and improving overall engine efficiency.

When rebuilding an engine, the oil control rings play a vital role in preventing oil from entering the combustion chamber, which helps maintain clean emissions and prevents oil consumption. This set is designed to fit specific bore sizes, so double-checking your engine's specifications is key to a successful rebuild.