What is the primary function of an oil ring assembly in an engine?

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 smoke.

Why is the chrome ring construction notable for performance engines?

Chrome plating on piston rings offers increased hardness and wear resistance. This helps the rings maintain a consistent seal against the cylinder wall under higher operating temperatures and pressures common in performance applications.

What does 'Standard Tension' mean for these piston rings?

Standard tension rings provide a balanced amount of force against the cylinder wall. This ensures effective sealing for oil control and compression without causing excessive friction or wear, making them suitable for a wide range of performance rebuilds.

Mahle OE Piston Rings 3030878B - Standard Tension

Name: Mahle Rings Perf Oil Ring Asbly. 3.7598in x 2.5MM .129in RW Std Tens. Chrome Ring Set (48 Qty Bulk)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-oil-ring-asbly-3-7598in-x-2-5mm-129in-rw-std-tens-chro-t14-48341
Price: 516.94 USD
Availability: BackOrder

Mahle Rings Perf Oil Ring Asbly. 3.7598in x 2.5MM .129in RW Std Tens. Chrome Ring Set (48 Qty Bulk)

$516.94

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 Piston Ring Set. Built for performance engine rebuilds.

Key Features

This is a Mahle OE Standard Tension Oil Ring Assembly.
Each ring measures 3.7598 inches in diameter.
The ring thickness is 2.5mm and the groove width is 0.129 inches.
Features a chrome ring construction for durability and sealing.
This is a bulk pack containing 48 ring assemblies.
Not CARB approved; cannot ship to California.

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Product Details

When you're rebuilding the heart of your engine for improved performance, the piston rings are critical. This Mahle OE Standard Tension Oil Ring Assembly is designed for those situations where you need reliable sealing and efficient oil control. Each ring measures 3.7598 inches in diameter with a 2.5mm thickness and a 0.129-inch groove width, fitting standard tension applications. This bulk pack includes 48 assemblies, making it ideal for shops or projects requiring multiple sets.

Mahle is a well-known name in engine components, and these rings are built to meet demanding performance standards. The chrome ring construction offers good durability and helps maintain a solid seal against the cylinder wall, which is essential for both compression and oil management. Proper oil control prevents excessive oil consumption and reduces wear on other internal engine parts, contributing to the longevity of your rebuild. The standard tension design ensures a balanced approach to sealing without overstressing the cylinder walls.

This set is intended for engine rebuilds where performance and reliability are key. It's important to note that these rings are not CARB approved and cannot be shipped to California. Always refer to your vehicle's specific service manual for detailed installation procedures and specifications to ensure a successful engine rebuild.