What does the +0.25mm sizing mean for these bearings?

The +0.25mm sizing indicates that these bearings are intended for use when the crankshaft journals have been machined down by 0.25mm. This is a common practice during engine rebuilds to restore proper clearances when the crankshaft has worn or been resurfaced.

What is the pmax black material?

The pmax black material refers to King Engine Bearings' tri-metal construction, which is part of their racing line. This material is chosen for its enhanced strength and load-carrying capabilities, making it suitable for more demanding engine applications.

Are these bearings suitable for a stock engine rebuild?

While the pmax black material is part of King's racing line, these bearings can be used in a stock rebuild if you are looking for improved durability and load capacity. However, it's essential to ensure your crankshaft has been machined to the +0.25mm size for correct installation and oil clearance.

Specifications

Brand: King Engine Bearings
Part #: MB5176XP0.25
UPC: 611500553097

King Engine Bearings Mitsubishi 4G91/4G92/4G93 16V (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Mitsubishi 4G91/4G92/4G93 16V (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mitsubishi-4g91-4g92-4g93-16v-size-0-2-t14-770510
Price: 68.60 USD
Availability: BackOrder

$68.60

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King Engine Bearings Mitsubishi 4G91/4G92/4G93 16V main bearing set. These are the pmax black racing line bearings, sized +0.25mm.

Key Features

Fits Dodge Colt, Eagle Summit, Mitsubishi Lancer, Mitsubishi Mirage, and Plymouth Colt.
Features King's pmax black tri-metal racing line construction.
Main bearing set sized at +0.25mm for use with machined crankshafts.
Designed for Mitsubishi 4G91, 4G92, and 4G93 16-valve engines.

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About this part

Product Details

These King Engine Bearings main bearings feature the pmax black tri-metal construction, a design often found in racing applications. They are specifically sized at +0.25mm, meaning they are intended for use when the crankshaft journals have been machined down by 0.25mm during an engine rebuild. This set is built for Mitsubishi 4G91, 4G92, and 4G93 16-valve engines, covering a range of vehicles like the Dodge Colt, Eagle Summit, and Mitsubishi Mirage.

The pmax black material is known for its strength and ability to handle higher loads compared to standard bearings. When you're rebuilding an engine and need bearings that can stand up to more demanding use, this racing line set offers a well-built option. The +0.25mm sizing is crucial; ensure your crankshaft has been properly machined to this specification before installing these bearings to achieve correct oil clearance and performance.