King Engine Bearings MB5532SI 050 Main Bearing Set for Chevrolet 151 153

The King Engine Bearings MB5532SI 050 is a precision-engineered main bearing set designed specifically for Chevrolet 151 and 153 cubic inch inline 4-cylinder engines. This complete main bearing set provides the critical interface between the crankshaft and engine block, ensuring smooth rotation and optimal engine performance.

Key Features:

• Bimetal construction with aluminum-silicon alloy base for superior strength and wear resistance
• 0.050" (0.050mm) undersize for crankshaft regrinding applications
• Precision-manufactured to OE specifications for proper fit and clearances
• High-load capacity bearing material designed for demanding applications
• Complete main bearing set includes all positions for thorough engine rebuild

King Engine Bearings are manufactured using advanced metallurgy and strict quality control processes, making them a trusted choice for engine rebuilders and performance enthusiasts. The bimetal aluminum-silicon construction offers excellent embedability, conformability, and resistance to corrosion, while maintaining the structural integrity needed for reliable long-term operation.

Applications: Compatible with Chevrolet 151 (2.5L) and 153 (2.5L) 4-cylinder engines commonly found in passenger cars and light trucks from the 1980s and early 1990s.