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

The moly coating acts as a dry lubricant. This helps the rings seat quickly against the cylinder walls during engine break-in, which reduces initial friction and wear on both the rings and the pistons.

Are these rings a direct replacement for my original rings?

Yes, these Mahle OE rings are designed to meet original equipment requirements. This means they are intended to fit and function like the factory rings in compatible vehicles.

What else might I need when installing new piston rings?

When installing new piston rings, it's crucial to have a clean engine block and pistons. You'll also need appropriate assembly lube, piston ring compressors, and potentially new piston pins and clips, depending on the condition of your existing components.

Mahle Piston Rings Moly Ring Set 41616CP - 1990-1999 GMC C/K

Name: Mahle Rings GMC Pass 350 5.7L Eng 1990-94 Moly Ring Set
Brand: Mahle OE
Price: 70.18 USD
Availability: InStock

Mahle Rings GMC Pass 350 5.7L Eng 1990-94 Moly Ring Set

$70.18

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 1990-1999 GMC C/K/P Series 5.7L engines. Minimizes oil consumption and friction for longer engine life.

Key Features

Fits 1990-1999 GMC C/K/P Series 5.7L engines, and many other GM vehicles.
Moly coating provides a dry lubricant for reduced friction and faster seating.
Helps minimize engine oil consumption.
Designed to reduce friction and improve service life.
Built to meet original equipment requirements for reliable performance.
Mahle OE brand is known for technically advanced engine components.

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Will this fit your vehicle?

Product Details

If you're rebuilding the top end of your engine, especially for a 1990-1999 era GM truck or car with a 5.7L V8, new piston rings are a critical part of the job. These Mahle Moly Ring Sets are designed to help your engine run efficiently and last longer. They play a key role in sealing the combustion chamber, controlling oil consumption, and managing heat transfer from the piston to the cylinder wall.

Mahle has a solid reputation for making well-built engine components. These rings are made with a moly coating, which is a dry lubricant that helps them seat quickly and reduces friction during the break-in period. This not only helps protect your new pistons and cylinder walls but also contributes to minimizing oil burning and improving overall engine performance over the long haul. They are built to meet original equipment requirements, meaning they are designed to fit right and perform as expected in a wide range of GM vehicles from the early 90s through the late 90s, including popular models like the Chevrolet C/K trucks and GMC Savana vans.

When you're putting an engine back together, using good quality rings like these Mahle sets is important for ensuring proper compression and oil control. Make sure to follow the manufacturer's installation instructions carefully for the best results and a long-lasting rebuild.