What is the benefit of a low-tension piston ring?

Low-tension piston rings exert less pressure against the cylinder walls. This reduces friction and heat, which can lead to improved engine performance and efficiency.

Why are these rings coated with moly?

The moly (molybdenum) coating on these rings helps them seat quickly and effectively against the cylinder wall. It also provides a durable surface that can withstand the rigors of engine operation.

Are these rings suitable for all engine builds?

These Mahle Pro Series rings are designed for performance applications and a specific 4.000 inch bore. They are not CARB approved and cannot be shipped to California.

Mahle Pro Series Piston Rings Moly 3150059.035

Name: Mahle Rings Pro Series Performance Rings Low Tension 4.000 Bore Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-pro-series-performance-rings-low-tension-4-000-bore-moly-ri-t14-47520
Price: 198.87 USD
Availability: BackOrder

Mahle Rings Pro Series Performance Rings Low Tension 4.000 Bore Moly Ring Set

$198.87

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle Pro Series Piston Rings. Low tension, moly-coated rings for a 4.000" bore. Improves engine performance.

Key Features

Fits a 4.000 inch bore.
Features a low-tension design to reduce friction.
Moly coating offers durability and good cylinder wall seating.
Designed for performance engine applications.
From Mahle OE, a popular brand for engine components.

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Product Details

These Mahle Pro Series piston rings feature a low-tension design and a moly coating, specifically made for a 4.000 inch bore. This combination helps reduce friction within the cylinder, which can lead to improved engine performance and efficiency. The moly coating is known for its durability and ability to seat well against the cylinder wall, contributing to a solid seal.

Designed for performance applications, these rings are built to handle the demands of an engine that's working harder. The low-tension aspect means less pressure is exerted on the cylinder walls, reducing drag and heat. This can be particularly beneficial in engines that are rebuilt or modified for increased output. Mahle is a well-known name in engine components, and this Pro Series set reflects their focus on reliable parts for performance builds.

It's important to note that these rings are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper seating and break-in procedures to ensure optimal performance and longevity.