What is the purpose of main bearings?

Main bearings support the crankshaft within the engine block, allowing it to rotate smoothly. They are critical for maintaining proper oil clearance, which ensures adequate lubrication and prevents excessive friction.

What engine sizes does this bearing set fit?

This ACL main bearing set is designed for Chevrolet V8 engines with displacements of 396, 402, 427, and 454 cubic inches. It covers a model year range from 1965 through 2000.

What signs indicate main bearings need replacement?

Symptoms of worn main bearings can include a persistent knocking sound from the engine, especially under load, and a noticeable drop in oil pressure. If you suspect bearing issues, it's best to have them inspected by a qualified mechanic.

1972-1974 Excalibur Phaeton Main Bearings | ACL 5M829A-01

Name: ACL Chevrolet V8 396-402-427-454 1965-00 Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-chevrolet-v8-396-402-427-454-1965-00-engine-crankshaft-main-bearing-set-t14-631387
Price: 34.78 USD
Availability: BackOrder

ACL Chevrolet V8 396-402-427-454 1965-00 Engine Crankshaft Main Bearing Set

$34.78

On Backorder

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

Fits 1972-1974 Excalibur Phaeton. ACL crankshaft main bearing set for Chevrolet V8 396-454 engines. Direct fit.

Key Features

Fits 1972-1974 Excalibur Phaeton.
Designed for Chevrolet V8 engines (396, 402, 427, 454 cubic inches) from 1965-2000.
ACL crankshaft main bearing set.
Part number 5M829A-01.
Helps maintain proper crankshaft oil clearance.

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Product Details

You get a full set of main bearings in this kit, which means one box handles the whole job for your Chevrolet V8 engine. These bearings are crucial for keeping your crankshaft supported and spinning smoothly within the engine block. If your current bearings are worn, you might notice issues like low oil pressure or knocking sounds, so replacing them is key to engine health.

ACL is a well-known name in engine bearings, and this set is built to meet the demands of your V8. They're designed to provide a solid foundation for your crankshaft, helping to maintain proper oil clearance. This is important because too much clearance can lead to those oil pressure problems, while too little can cause friction and premature wear. Getting the clearance just right is what these bearings aim to do.

When you're rebuilding or repairing your engine, using a reliable set of main bearings like these from ACL is a smart move. They fit Chevrolet V8 engines from 396 up to 454 cubic inches, covering a wide range of applications from 1965 through 2000. Make sure to refer to your vehicle's service manual for the correct installation procedure and torque specifications.