King Engine Bearings MB4542CA0.75 Tri-Metal Main Bearing Set Oversize - 0.75mm

The King Engine Bearings MB4542CA0.75 is an OE Replacement tri-metal crankshaft main bearing set in a +0.75mm oversize (0.030") specification, designed for use with a reground crankshaft during engine rebuilds on Nissan VQ-series engines. This set includes 4 pairs of main bearings engineered to restore factory tolerances and crankshaft clearances after journal grinding.

King's classic copper-based tri-metal construction is purpose-built for medium-load engines, delivering a proven combination of conformability, embedability, and wear resistance that makes it an ideal OE-quality replacement option.

Key Features:

• Tri-Metal Construction: Copper-based CA-series material designed for medium-load, OE-replacement applications
• +0.75mm Oversize: Engineered for use with crankshafts reground 0.75mm undersize
• 4-Pair Set: Complete main bearing set for all journal positions
• Tight Wall Tolerances: King maintains bearing wall thickness tolerances to ±0.0001" for precise oil clearance control
• Steel-Backed Shell: Provides structural rigidity and consistent housing bore fit
• Engine Compatibility: Fits Nissan VQ20DE, VQ25DD, VQ30DE, VQ30DD, VQ30DET, and VQ35DE engines

King Engine Bearings has specialized exclusively in engine bearings since 1960, applying insights from aviation and motorsport engineering to every bearing in their lineup. The MB4542CA0.75 is the correct choice when performing a crankshaft grind during a bottom-end rebuild on any of the covered Nissan VQ-series applications.