What does the +0.75mm sizing mean for these bearings?

The +0.75mm sizing indicates that these bearings are slightly larger than standard. This is typically used when the crankshaft journals have been machined down by 0.75mm during a previous rebuild or repair. Using the correct undersize or oversize bearing ensures proper oil clearance.

What is the construction of these main bearings?

These main bearings feature a bimetal construction with an aluminum base. This type of construction is common in performance and high-quality engine bearings, offering good wear resistance and thermal properties.

Does this main bearing set include the thrust bearings?

This listing is for the main bearing set only. The manufacturer's description notes it is optional to MB 524AM (flange STD), which may indicate a separate part number for thrust bearings or a kit that includes them. Please verify the contents of the MB524AM kit if thrust bearings are required.

Specifications

Brand: King Engine Bearings
Part #: MB5227AM0.75
UPC: 611500239533

King Engine Bearings Mitsubishi 4G63/4G63T (92) (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Mitsubishi 4G63/4G63T (92) (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mitsubishi-4g63-4g63t-92-size-0-75mm-m-t14-770550
Price: 54.18 USD
Availability: BackOrder

$54.18

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King Engine Bearings main bearing set for Mitsubishi 4G63/4G63T engines. Size +0.75mm. Direct fit.

Key Features

Fits 1992 and earlier Mitsubishi 4G63 and 4G63T engines.
Main bearing set is sized +0.75mm for crankshaft journals.
Constructed with a bimetal design on an aluminum base.
Designed to fit a wide range of vehicles including Dodge, Eagle, Hyundai, Mitsubishi, and Plymouth models.

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About this part

Product Details

Built with a bimetal construction on an aluminum base, this King Engine Bearings main bearing set is designed for Mitsubishi 4G63 and 4G63T engines manufactured up to 1992. These bearings are sized at +0.75mm, which is important when rebuilding or repairing an engine that has had previous machining work done on the crankshaft journals. This set is a direct replacement for the original main bearings, helping to ensure proper oil clearance and support for the crankshaft.

King Engine Bearings are a popular choice for many engine builds, from daily drivers to more performance-oriented applications. This particular set is designed to fit a wide range of vehicles, including models like the Dodge Colt, Mitsubishi Eclipse, and Hyundai Sonata. When you're rebuilding the bottom end of your engine, having well-made bearings like these is crucial for long-term reliability and performance. They help maintain the correct oil film between the crankshaft and the block, reducing friction and wear.