King Engine Bearings MB5777XP 001 XP Series Main Bearing Set for GM Dart LS Next Block

The King Engine Bearings MB5777XP 001 is a precision-engineered main bearing set designed specifically for the GM Dart LS Next aftermarket engine block. Part of King's renowned XP (Extreme Performance) series, these bearings are built to handle the demanding loads of high-performance and racing applications where stock or standard-performance bearings fall short.

Key Features:

• XP Series Performance: Engineered with tighter tolerances and advanced tri-metal construction for superior load capacity and fatigue resistance
• pMaxKote™ Coating: Features King's proprietary polymer coating that improves oil film retention, reduces friction during startup, and protects against dry starts
• Precision Fitment: Designed specifically for the Dart LS Next block to ensure accurate bore sizing and proper oil clearances
• High Load Capacity: Capable of withstanding the extreme forces generated in boosted, nitrous, and high-RPM racing engines
• Improved Overlay: Sputter or tri-metal construction provides exceptional wear resistance and conformability
• Complete Set: Includes all required main bearings for a full engine assembly

King Engine Bearings is a global leader in precision engine bearing manufacturing, supplying top motorsport teams and performance engine builders worldwide. The MB5777XP 001 is the standard (STD) size bearing set, making it ideal for fresh bores or properly sized journal builds. Whether you're building a street/strip powerplant or an all-out race engine on a Dart LS Next block, these bearings deliver the reliability and performance your build demands.