What does '0.020 undersize' mean for these piston rings?

This means the rings are manufactured to be 0.020 inches smaller in diameter than the standard size. This is typically used when the cylinder walls have been honed or bored out to a larger size during an engine rebuild.

Are these piston rings compatible with all 5.0L engines?

These rings are designed for specific 5.0L engines found in various Buick, Cadillac, and Chevrolet models from certain years. It's important to verify the fitment for your exact vehicle make, model, and year.

What is the main benefit of Mahle OE piston rings?

Mahle OE piston rings are known for their advanced technology, focusing on reducing internal engine friction and minimizing oil consumption. This helps to improve engine efficiency and extend the overall service life of the engine.

Mahle OE Piston Rings 51137CP.020 - Buick, Chevy, Cadillac

Name: Mahle Rings Buick 305 5.0L Eng 77-91 Checker 305 5.0L Eng 78-80 Chevy 305 Plain Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-buick-305-5-0l-eng-77-91-checker-305-5-0l-eng-78-80-chevy-3-t14-50639
Price: 88.88 USD
Availability: BackOrder

Mahle Rings Buick 305 5.0L Eng 77-91 Checker 305 5.0L Eng 78-80 Chevy 305 Plain Ring Set

$88.88

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 51137CP.020 piston rings for 5.0L engines. Reduces friction and oil consumption for longer engine life.

Key Features

Fits Buick Century, Chevrolet Camaro, Cadillac Brougham, and many other vehicles.
Designed to reduce engine friction and oil consumption.
Utilizes the latest piston ring technology from Mahle OE.
Contributes to longer engine service life.
This set is 0.020 inches undersize.

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Will this fit your vehicle?

Product Details

Mahle OE is known for making technically advanced engine components, and these piston rings are a prime example. If you're rebuilding the engine in a wide range of vehicles from the late 70s through the 90s, like a Buick Regal, Chevrolet Camaro, or Cadillac Brougham, these rings are designed to meet the demands of modern engines. They focus on reducing friction and minimizing oil consumption, which helps extend the life of your engine.

These rings are built with the latest piston ring technology Mahle has to offer. The goal is to lower internal friction, which can lead to a small improvement in efficiency, and to help control how much oil gets past the piston into the combustion chamber. This attention to detail means you can expect a well-built set of rings that contribute to a healthier, longer-lasting engine rebuild.

This set is specifically sized at 0.020 inches undersize, so be sure this matches your engine's needs during your rebuild. Always refer to your vehicle's specific service manual for detailed installation procedures and specifications.