King Engine Bearings Main Bearing Set

2006–2010 Chrysler 300 SRT8 6.1L V8 HEMI

MB5840XP

Overview:

The King Engine Bearings Crankshaft Main Bearing Set is engineered specifically for the Chrysler 300 SRT8, featuring the powerful 6.1L V8 HEMI engine. Designed for both high-performance street driving and demanding race conditions, this main bearing set ensures reliable crankshaft support and durability under extreme loads. Whether you are rebuilding your engine or upgrading for enhanced longevity, King’s trimetal pMax Black race bearings deliver superior wear resistance and optimal oil film strength to protect your engine’s rotating assembly.

Ideal for enthusiasts and professional builders alike, this bearing set maintains tight clearances and consistent performance, helping to reduce friction and heat buildup during operation. The King Engine Bearings main bearings are a trusted choice for Chrysler 300 SRT8 owners seeking dependable engine protection and improved reliability.

Key Features:

King Engine Bearings main bearings combine advanced materials and precision manufacturing to meet the demands of high-performance Chrysler engines. Key features include:

• Trimetal construction with a durable steel backing, a copper-lead intermediate layer, and a high-performance overlay for maximum wear resistance
• pMax Black coating to reduce friction and improve oil retention under extreme conditions
• Precision ground to ensure exact fit and optimal clearance for the Chrysler 6.1L V8 HEMI crankshaft
• Race-grade quality designed to withstand high RPM and heavy loads
• Corrosion-resistant finish to extend bearing life and prevent premature failure
• Compatible with OEM specifications and aftermarket performance upgrades
• Manufactured to strict quality control standards for consistent performance

Construction & Design:

King Engine Bearings utilizes a tri-layer metal design combining a robust steel backing with a copper-lead intermediate layer and a proprietary pMax Black overlay. This combination provides excellent fatigue strength, wear resistance, and conformability to the crankshaft journal surface. The pMax Black coating enhances oil film retention, reducing metal-to-metal contact and minimizing friction during high-load operation. Each bearing shell is precision ground to exact tolerances, ensuring a perfect fit within the engine block and consistent oil clearance for optimal lubrication.

The design focus is on durability and performance, making these bearings suitable for both street-driven and race-prepared Chrysler 300 SRT8 engines. The materials and coatings used help resist common wear mechanisms such as abrasion, corrosion, and fatigue, extending engine life and reliability.

Installation & Fitment:

This main bearing set is a direct fit replacement for Chrysler 300 SRT8 models equipped with the 6.1L V8 HEMI engine produced from 2006 through 2010. Installation requires standard engine rebuild procedures, including proper cleaning of bearing surfaces, checking crankshaft journal condition, and measuring bearing clearances with plastigage or micrometers. No modifications are necessary when installing these bearings, but professional installation is recommended to ensure correct torque specifications and alignment.

What's Included:

• Complete set of crankshaft main bearings for Chrysler 300 SRT8 6.1L V8 HEMI
• Precision-engineered bearing shells with pMax Black coating
• Installation instructions and technical support documentation

Ideal For:

This King Engine Bearings main bearing set is ideal for automotive enthusiasts, professional engine builders, and racers who demand reliable crankshaft support in their Chrysler 300 SRT8 engines. It is perfect for engine rebuilds, performance upgrades, and motorsport applications where durability and precision are critical. If you want to maintain or improve the longevity and performance of your 6.1L HEMI engine, these bearings provide a trusted solution engineered for high-stress environments.

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.