King Engine Bearings Main Bearing Set

2011–2022 Chrysler 300 / 2011–2022 Dodge Challenger / 2011–2022 Dodge Charger / 2011–2015 Dodge Durango / 2011–2016 Jeep Grand Cherokee / 2012–2017 Jeep Wrangler / 2018 Jeep Wrangler JK / 2013–2019 Ram 1500

MB4518SI0.5

Overview:

The King Engine Bearings +0.50mm Main Bearing Set is engineered to provide superior durability and reliable performance for a wide range of Chrysler, Dodge, Jeep, and Ram vehicles. Designed specifically for medium-load engines, this main bearing set is an essential component for engine rebuilds or upgrades, ensuring optimal crankshaft support and smooth operation. Whether you are restoring a classic or maintaining a modern performance engine, King Engine Bearings delivers the quality and precision you need to keep your engine running strong.

Founded in 1960, King Engine Bearings has established itself as a leader in the bearing industry by focusing exclusively on engine bearings. This expertise results in products that meet or exceed OEM standards, offering peace of mind for enthusiasts and professional mechanics alike.

Key Features:

King Engine Bearings main bearings are crafted with advanced materials and manufacturing techniques to deliver consistent performance and longevity. Key features include:

• Bimetal construction with an aluminum-silicon base for excellent wear resistance
• Lead-free, environmentally safe composite materials for compliance and sustainability
• Precision +0.50mm oversize dimension to accommodate engine rebuilds and ensure proper clearance
• Optimized for medium-load engines such as the Chrysler Pentastar 3.6L V6
• Extensive vehicle fitment covering popular models from 2011 through 2022
• High-quality manufacturing processes that meet stringent industry standards
• Improved load distribution to reduce engine wear and extend service life
• Compatibility with both naturally aspirated and performance-tuned engines

Construction & Design:

The main bearing set features a bimetal design composed of a durable aluminum-silicon alloy base layer, providing excellent strength and fatigue resistance. This is combined with a lead-free composite overlay that enhances wear characteristics while being environmentally responsible. The +0.50mm sizing allows for precise fitment in engines requiring an oversized bearing due to crankshaft machining or wear, ensuring proper oil clearance and preventing premature bearing failure.

King Engine Bearings employs rigorous quality control and advanced manufacturing techniques to produce bearings that maintain tight tolerances and consistent surface finishes. This attention to detail helps reduce friction and heat buildup, contributing to smoother engine operation and improved reliability.

Installation & Fitment:

Installation of the King Engine Bearings +0.50mm Main Bearing Set should be performed by experienced technicians or knowledgeable enthusiasts familiar with engine rebuild procedures. Proper cleaning, measurement, and lubrication are critical to ensure correct bearing clearance and avoid damage. This bearing set is designed to fit a broad range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with compatible engines, including the Chrysler Pentastar 3.6L V6.

Always verify engine specifications and machining requirements before installation to ensure compatibility with the +0.50mm oversize dimension. No additional modifications are typically necessary when replacing bearings with this set, provided the crankshaft has been machined accordingly.

What's Included:

• Main bearing set sized +0.50mm for precise engine fitment
• Complete set of bearings for all main journals of the engine
• Packaging and documentation from King Engine Bearings

Ideal For:

This main bearing set is ideal for automotive enthusiasts, professional rebuilders, and mechanics performing engine overhauls or repairs on Chrysler, Dodge, Jeep, and Ram vehicles from model years 2011 through 2022. It is especially suited for those upgrading or restoring engines with machined crankshafts requiring oversized bearings, as well as for medium-load applications where durability and reliability are paramount.

King Engine Bearings specializes in engine bearings with a strong footprint in performance and racing, developing advanced bearing materials and designs for high-load engines. Builders and racers rely on King for main and rod bearings engineered to handle higher cylinder pressures and sustained RPM without sacrificing reliability.