What is the purpose of the chrome plating on these rings?

The chrome plating on the ring surface is designed to reduce friction between the piston ring and the cylinder wall. This helps to minimize wear on both components, contributing to a longer engine life and consistent performance.

What does 'standard tension' mean for an oil ring?

Standard tension refers to the spring tension applied by the oil control ring assembly against the cylinder wall. This tension is calibrated to effectively scrape excess oil from the cylinder walls during the piston's downstroke, preventing it from entering the combustion chamber, while still allowing for proper lubrication.

What does the '48 Qty Bulk' mean?

This means the package contains 48 individual oil ring assemblies. This bulk quantity is typically suited for professional engine builders or shops that work on multiple engines simultaneously.

Mahle OE Piston Rings 3030882B - Standard Tension

Name: Mahle Rings Perf Oil Ring Asbly. 3.9370 x 2.5MM .129in RW Std Tension Chrome Ring Set (48 Qty Bulk)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-oil-ring-asbly-3-9370-x-2-5mm-129in-rw-std-tension-chr-t14-48333
Price: 524.71 USD
Availability: BackOrder

Mahle Rings Perf Oil Ring Asbly. 3.9370 x 2.5MM .129in RW Std Tension Chrome Ring Set (48 Qty Bulk)

$524.71

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 Standard Tension Chrome Piston Ring Set. Bulk 48 qty.

Key Features

Fits engines with a 3.9370 inch bore size.
Features a 2.5mm oil ring width and a .129 inch groove thickness.
Standard tension design for effective oil control.
Chrome ring surface helps reduce friction and wear.
Bulk pack includes 48 oil ring assemblies.
Mahle OE parts are known for their quality and precision.

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Product Details

Mahle is a well-known name in engine components, often supplying parts directly to automakers. This set of performance oil ring assemblies continues that tradition, offering a standard tension chrome ring set designed for engine rebuilds. Each assembly is built to precise specifications, ensuring it works correctly with your pistons and cylinders.

This bulk pack includes 48 oil ring assemblies, making it a solid option for shops rebuilding multiple engines or for those undertaking a large project. The rings feature a standard tension design, which is crucial for proper oil control and sealing within the cylinder. The chrome plating on the ring surface helps to reduce friction and wear, contributing to a longer lifespan for both the rings and the cylinder walls. The dimensions are 3.9370 inches bore size with a 2.5mm oil ring width and a .129 inch groove thickness, ensuring a precise fit in the correct applications.

When rebuilding an engine, the piston rings are a critical component for sealing the combustion chamber and controlling oil. This Mahle OE set is designed to meet the demands of performance applications where reliable oil control is essential. Remember that this part is not CARB approved and cannot be shipped to California.