Mahle OE Moly Ring Set

2011–2017 Dodge / Chrysler / Jeep / Ram 6.4L Hemi Apache Engine

42156CP

Overview:

The Mahle OE Moly Ring Set is engineered to meet the demanding standards of the Chrysler 6.4L Hemi Apache engine, delivering superior sealing performance and durability. Designed for a wide range of Dodge, Chrysler, Jeep, and Ram models from 2011 to 2017, this piston ring set is ideal for enthusiasts and professionals seeking reliable, OE-quality replacement parts. With advanced materials and precision manufacturing, these rings reduce friction and oil consumption, ensuring longer engine life and consistent performance.

Whether you are rebuilding or maintaining your high-performance Hemi engine, the Mahle OE Moly Ring Set offers the perfect balance of strength, wear resistance, and sealing efficiency to keep your engine running smoothly under all conditions.

Key Features:

Mahle OE piston rings incorporate the latest technology to optimize engine performance and longevity. Key features include:

• OE-driven design focused on reducing friction and ring mass for improved efficiency
• Molybdenum coating enhances wear resistance and provides superior sealing against combustion gases
• Minimized engine oil consumption for cleaner operation and reduced emissions
• Precision manufacturing ensures exact fit and consistent ring gap for reliable performance
• Durable construction extends service life, reducing the need for frequent replacements
• Compatible with high-performance and stock rebuild applications
• Engineered specifically for the 6.4L Hemi Apache engine to maintain factory specifications

Construction & Design:

Mahle OE piston rings are crafted from premium-grade materials with advanced coatings to withstand the extreme conditions inside the combustion chamber. The molybdenum layer provides a hard, low-friction surface that resists scuffing and wear, while maintaining excellent conformability to the cylinder walls. This combination ensures a tight seal that prevents blow-by and controls oil consumption effectively.

The rings are manufactured to precise tolerances, guaranteeing consistent ring gap and roundness, which are critical for optimal engine compression and performance. This meticulous engineering supports the demanding power output and thermal stresses of the 6.4L Hemi Apache engine.

Installation & Fitment:

The Mahle OE Moly Ring Set is designed as a direct replacement for factory piston rings on compatible vehicles, requiring no modifications for installation. Professional installation is recommended to ensure proper ring end gap and seating. These rings fit a broad range of Dodge, Chrysler, Jeep, and Ram models equipped with the 6.4L Hemi Apache engine, including performance variants such as the SRT Hellcat and Scat Pack.

Proper installation will restore optimal compression and reduce oil consumption, contributing to improved engine efficiency and longevity.

What's Included:

• Complete set of molybdenum-coated piston rings for the 6.4L Hemi Apache engine
• Compression rings and oil control rings matched to OE specifications

Ideal For:

This piston ring set is ideal for engine rebuilders, performance enthusiasts, and mechanics working on Dodge Challenger, Charger, Chrysler 300, Jeep Grand Cherokee, and Ram 2500/3500 models from 2011 through 2017. It is especially suited for those maintaining or upgrading the 6.4L Hemi Apache engine to ensure reliable sealing, reduced oil consumption, and extended engine life.

MAHLE Aftermarket supplies a broad range of OE-quality engine and service components—engine parts, filters, gaskets, and thermal management—supporting everything from stock maintenance to performance-minded rebuilds. It’s a trusted source when builders want reputable engineering and consistent quality for refreshes, reliability upgrades, and daily-driven performance projects.