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

The +0.25mm designation indicates that these bearings are slightly larger than standard size. They are designed to be used when the crankshaft journals have been machined down by 0.25mm (approximately 0.010 inches) during an engine rebuild to correct wear or damage. Using the correct size bearing is crucial for proper oil clearance.

What is the benefit of a bimetal construction with an aluminum base?

A bimetal construction, particularly with an aluminum base, offers a good balance of strength and thermal conductivity. The aluminum helps to dissipate heat away from the crankshaft, while the bimetal layers provide wear resistance and load-bearing capabilities necessary for connecting rod applications.

Are these bearings sold individually or as a set?

This product is a connecting rod bearing set, meaning it includes all the necessary bearings for the connecting rods on one engine. Typically, a set contains enough bearings for all the connecting rods in the engine.

Specifications

Brand: King Engine Bearings
Part #: CR6738AM0.25
UPC: 611500238918

King Engine Bearings Honda C27A4 (Size +0.25mm) Connecting Rod Bearing Set

Name: King Engine Bearings Honda C27A4 (Size +0.25mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-honda-c27a4-size-0-25mm-connecting-rod-t14-770055
Price: 50.12 USD
Availability: BackOrder

$50.12

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Fits 1986-1990 Acura Legend. King Engine Bearings connecting rod bearing set, size +0.25mm, for Honda C27A4 engines. Essential for engine rebuilds.

Key Features

Fits 1986-1990 Acura Legend, 1995-1997 Honda Accord, 1987-1988 Sterling 825, and 1989-1991 Sterling 827.
Designed for the Honda C27A4 engine.
Features a bimetal construction with an aluminum base.
This set is sized +0.25mm, intended for use with machined crankshaft journals.
Essential component for engine rebuilding and repair.

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About this part

Product Details

These connecting rod bearings are built with a bimetal construction, featuring an aluminum base. This design is crucial for the Honda C27A4 engine, helping to manage the loads and heat generated during operation. If you're rebuilding the engine in your 1986-1990 Acura Legend, or a compatible Sterling model, these bearings are a key component to ensure proper function and longevity.

King Engine Bearings uses a bimetal construction for these rod bearings, which is a well-established method for creating durable engine components. The aluminum base offers good thermal conductivity, helping to dissipate heat away from the crankshaft journal. This set is specifically sized at +0.25mm, meaning it's intended for use when the crankshaft journals have been machined down by that amount during an engine rebuild. Using the correct undersize or oversize bearing is critical for maintaining proper oil clearance and ensuring the engine runs correctly.

When you're deep into an engine rebuild, getting the right bearings is non-negotiable. This set is designed to fit the specific requirements of the C27A4 engine found in various Acura and Sterling vehicles. Make sure to check your crankshaft journal dimensions to confirm if the +0.25mm size is appropriate for your build.