King Engine Bearings MB5128AM1.0 Main Bearing Set Isuzu Oversize - 4XE1 4XF1 4XC1T 1.0mm

The King Engine Bearings MB5128AM1.0 is a precision-engineered crankshaft main bearing set designed for Isuzu 4XE1, 4XF1, and 4XC1T engines. This set is manufactured to an oversize specification of +1.0mm, making it the correct choice for engine rebuilds where the crankshaft journals have been machined undersize to restore proper bearing clearances.

Key Features:

• Oversize: +1.0mm — engineered for reground crankshafts requiring +1.0mm journal compensation
• Manufactured by King Engine Bearings, a specialist bearing supplier with over 60 years of industry experience
• Designed for use in gasoline engine rebuilding and performance applications with factory crankshafts
• Produced using high-quality bi-metal and tri-metal bearing materials for durability and wear resistance
• Tight dimensional tolerances ensure proper oil film clearances and long service life
• Complete main bearing set — includes all upper and lower bearing shells required for the engine

King Engine Bearings has built its reputation by specializing exclusively in engine bearings, offering an extensive product line covering automotive, light-duty and heavy-duty truck, marine, and other internal combustion engine applications. The MB5128AM1.0 is the ideal solution for a professional-quality Isuzu engine rebuild requiring oversize main bearings.