King Engine Bearings MB5442MC0.25 Main Bearing Set Oversize Ford Mazda MZR - 0.25mm L3

The King Engine Bearings MB5442MC0.25 is a precision-engineered main bearing set designed specifically for Ford and Mazda L3, L3-VDT, and MZR engines. This set features a 0.25mm oversize dimension, making it ideal for engines that have been machined or require slightly larger bearings for proper crankshaft support.

Key Features:

• Application-specific design for Ford/Mazda L3 and L3-VDT MZR engines
• 0.25mm oversize for machined or worn crankshaft journals
• Manufactured with King's proprietary Alecular bearing material for superior embedability
• Precision wall thickness tolerances of ±0.0001 inches for consistent performance
• Steel-backed construction with advanced alloy overlay
• Complete main bearing set for full engine rebuild

King Engine Bearings has been manufacturing high-quality engine bearings since 1960, specializing exclusively in bearing technology. Their bearings undergo rigorous quality control to ensure they meet the demanding requirements of both street performance and racing applications. The MB5442MC series provides reliable crankshaft support and long service life when properly installed with correct clearances.