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

The moly coating on these Mahle piston rings is designed to reduce friction between the ring and the cylinder wall. This helps minimize wear on both components, leading to a longer service life for your engine.

What engine sizes do these rings fit?

These piston rings are designed for engines with a displacement of 4.5L and 4.9L. They are commonly found in various GM vehicles from the late 1980s and early 1990s.

Are these rings suitable for a complete engine rebuild?

Yes, these Mahle piston rings are a well-built component suitable for engine rebuilds. Their design focuses on minimizing oil consumption and friction, contributing to overall engine health and reliability.

Mahle Piston Rings Moly Ring Set 41556.030

Name: Mahle Rings GMC Pass 273 4.5L Eng 88-92 300 4.9L Eng 91-94 Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-gmc-pass-273-4-5l-eng-88-92-300-4-9l-eng-91-94-moly-ring-se-t14-49268
Price: 107.85 USD
Availability: BackOrder

Mahle Rings GMC Pass 273 4.5L Eng 88-92 300 4.9L Eng 91-94 Moly Ring Set

$107.85

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 Moly Ring Set for 4.5L and 4.9L engines. Minimizes oil consumption and friction for longer engine life.

Key Features

Fits various Cadillac models from 1988-1995 with 4.5L or 4.9L engines.
Moly coating on the rings helps reduce friction and cylinder wall wear.
Designed to minimize engine oil consumption.
Contributes to longer service life for engine components.
Meets original equipment requirements for performance and durability.

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Will this fit your vehicle?

Product Details

These Mahle piston rings feature a moly coating, which helps reduce friction and wear between the ring and cylinder wall. This means less drag on your engine and a longer service life for both the rings and the cylinders. They are designed to meet the demands of original equipment requirements, focusing on minimizing oil consumption while still providing excellent performance.

Built for a range of GM vehicles, including models like the Cadillac DeVille, Eldorado, and Seville, these rings are a solid choice for engine rebuilds or repairs. The advanced design helps ensure a good seal against the cylinder wall, which is crucial for maintaining compression and preventing oil from entering the combustion chamber. This attention to detail in their construction translates to a more efficient and durable engine.

If you're working on a 4.5L or 4.9L engine from the late 80s and early 90s, these Mahle rings are a well-built option. They are engineered to work effectively within the engine's operating parameters, contributing to overall engine health and reliability.