What does the 'Moly' in Moly Ring Set refer to?

Moly refers to Molybdenum, a material used as a coating on the piston rings. This coating helps to reduce friction between the ring and the cylinder wall, which can improve efficiency and extend the life of both the rings and the cylinder.

What does it mean that these rings are 0.020 inch undersize?

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

Are these rings compatible with all 5.7L Hemi engines?

This set is designed for 5.7L Hemi engines from 2002-Up, fitting many Chrysler, Dodge, and Jeep models. However, it's important to check the specific vehicle fitment list to ensure compatibility with your exact year and model, as there can be variations.

Mahle Piston Rings Moly Ring Set 41904CP.020

Name: Mahle Rings Chrysler 5.7L Hemi 2002 - Up Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-chrysler-5-7l-hemi-2002-up-moly-ring-set-t14-50226
Price: 80.09 USD
Availability: BackOrder

Mahle Rings Chrysler 5.7L Hemi 2002 - Up Moly Ring Set

$80.09

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 Chrysler 5.7L Hemi 2002-Up. These rings help reduce friction and oil consumption for longer engine life.

Key Features

Fits 5.7L Hemi engines from 2002-Up.
Moly coating helps reduce friction and wear.
Designed to minimize engine oil consumption.
Contributes to longer engine service life.
This is a 0.020 inch undersize ring set.

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Will this fit your vehicle?

Product Details

If you're rebuilding the top end of your 5.7L Hemi engine, getting the right piston rings is crucial for proper sealing and performance. This Moly Ring Set from Mahle OE is designed to meet the demands of modern engines, focusing on reducing friction and minimizing oil consumption. These rings are built to last, contributing to a longer service life for your engine.

Mahle OE piston rings are known for their advanced technology, driven by original equipment requirements. This set specifically uses moly coatings, which help reduce friction between the piston ring and cylinder wall. This not only improves efficiency but also helps to keep oil consumption in check, a common concern in many Hemi engines. The set is 0.020 inch undersize, which is important to note for proper installation and engine assembly.

This set fits a wide range of Chrysler, Dodge, and Jeep vehicles equipped with the 5.7L Hemi engine from 2002 up to the late 2000s, including popular models like the Dodge Ram 1500 and Jeep Grand Cherokee. Ensure you check the full fitment list to confirm compatibility with your specific vehicle.