What is the difference between main bearings and rod bearings?

Main bearings support the crankshaft where it sits in the engine block, allowing it to rotate. Rod bearings connect the connecting rods to the crankshaft, transferring combustion forces. Both are critical for engine operation.

Do these bearings come with installation instructions?

This set includes the bearings themselves. Always refer to your vehicle's specific service manual for detailed installation procedures, torque specifications, and any required assembly lubricants.

What engine sizes does this bearing set fit?

This ACL bearing set is designed for Ford V8 engines, specifically those with 255, 289, and 302 cubic inch displacements. It covers a broad range of model years from 1962 to 1998.

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Trusted Since 1957

Est. 1957

Specifications

Brand: ACL
Part #: 5M590A-STD

ACL Ford Prod. V8 255-289-302 1962-98 Engine Crankshaft Main Bearing Set

Name: ACL Ford Prod. V8 255-289-302 1962-98 Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-ford-prod-v8-255-289-302-1962-98-engine-crankshaft-main-bearing-set-t14-630530
Price: 28.72 USD
Availability: BackOrder

$28.72

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

1967-1968 Omega Omega crankshaft main bearings by ACL. Part# 5M590A-STD. Direct fit.

Key Features

Fits 1967-1968 Omega Omega.
Designed for Ford V8 engines with 255, 289, and 302 cubic inch displacements.
Covers engine model years 1962-1998.
Standard size crankshaft main bearing set.
Helps maintain proper oil pressure and crankshaft support.

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About this part

Product Details

This ACL main bearing set is built to fit Ford V8 engines from 1962 through 1998, including the 255, 289, and 302 cubic inch displacements. These bearings are crucial for supporting the crankshaft and ensuring it spins smoothly within the engine block. When your main bearings are worn, you might notice increased engine noise, oil pressure issues, or even a loss of power. Replacing them with a well-built set like this ACL kit helps restore proper engine function and longevity.

This set includes the standard size bearings needed for a proper rebuild or replacement. Always refer to your vehicle's service manual for the correct installation procedures and specifications.