King Engine Bearings MB5834SI0.75 Main Bearing Set Chevrolet Oversize - 121ci LN2 134ci 002

The King Engine Bearings MB5834SI0.75 is a precision-engineered main bearing set designed specifically for Chevrolet 121 cubic inch and LN2 134 cubic inch engines. This is the +.002 inch oversize outer diameter (OS/OD) version of the standard MB5557SI bearing set, providing the correct fitment for crankshafts that have been machined or worn beyond standard tolerances.

Key Features:

• Bimetal construction with aluminum silicon base for excellent wear resistance and heat dissipation
• +.002 inch oversize outer diameter for proper main journal clearance on machined blocks
• Precision manufactured to OEM specifications and tolerances
• Complete main bearing set for full engine rebuild applications
• Compatible with Chevrolet 121ci and LN2 134ci engines

King Engine Bearings are manufactured using advanced materials and strict quality control processes to ensure reliable performance and longevity. The bimetal aluminum silicon base construction provides superior durability while maintaining proper oil clearances throughout the bearing's service life. This oversize bearing set is essential when rebuilding engines with crankshaft main journals that have been ground or machined to restore proper clearances.