King Engine Bearings Main Bearing Set

Chrysler 300 / Dodge Charger / Magnum 05-10 2.7L V6

MB4074SI0.75

Overview:

The King Engine Bearings +0.75mm Main Bearing Set is engineered to provide superior durability and reliable performance for Chrysler 300, Dodge Charger, and Dodge Magnum vehicles equipped with the 2.7L engine. Founded in 1960, King Engine Bearings has specialized exclusively in engine bearings, delivering high-quality components trusted by professionals and enthusiasts alike. This main bearing set is designed for medium-load engines, offering a precise +0.75mm oversize fit to accommodate engine rebuilds or repairs requiring enhanced clearance.

Ideal for mechanics, rebuilders, and performance enthusiasts, this bearing set ensures smooth crankshaft rotation and reduces friction, contributing to engine longevity and consistent operation under demanding conditions.

Key Features:

King Engine Bearings combines advanced materials and manufacturing expertise to produce bearings that meet or exceed OEM standards. Key features include:

• +0.75mm oversize main bearings for precise fitment during engine rebuilds
• Bimetal construction with an aluminum-silicon base for optimal strength and wear resistance
• Lead-free, environmentally safe composite materials for compliance with modern regulations
• Includes thrust washers to control axial crankshaft movement
• Designed specifically for medium-load 2.7L engines found in select Chrysler and Dodge models
• Manufactured to tight tolerances ensuring consistent oil clearance and bearing performance
• Durable surface finish to reduce friction and prevent premature wear
• Compatible with a wide range of 2005–2010 Chrysler 300, 2006–2010 Dodge Charger, and 2005–2008 Dodge Magnum variants

Construction & Design:

This main bearing set features a bimetal design, combining a robust aluminum-silicon alloy base with a precision-machined surface to withstand the stresses of engine operation. The aluminum-silicon base provides excellent fatigue resistance and conformability, while the lead-free composite overlay ensures environmental safety without compromising performance. The inclusion of thrust washers helps maintain proper crankshaft endplay, critical for engine reliability.

King Engine Bearings employs stringent quality control processes to deliver bearings with consistent dimensions and surface finishes, ensuring reliable oil film formation and minimizing metal-to-metal contact during engine operation.

Installation & Fitment:

Designed as a direct replacement for the main bearings in 2.7L engines, this +0.75mm oversize set requires precise machining of the crankshaft journals to the specified diameter. Professional installation is recommended to ensure proper bearing clearance and alignment. The set fits a broad range of Chrysler 300 (2005–2010), Dodge Charger (2006–2010), and Dodge Magnum (2005–2008) models, making it a versatile choice for engine rebuilds and repairs.

What's Included:

• Main bearing set with +0.75mm oversize dimensions
• Thrust washers for axial crankshaft control

Ideal For:

This King Engine Bearings main bearing set is ideal for automotive technicians, engine rebuilders, and performance enthusiasts working on Chrysler and Dodge vehicles with the 2.7L engine. It is especially suited for those performing engine overhauls requiring oversize bearings to restore proper clearances and ensure long-lasting engine performance.

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.