What is the purpose of main bearings?

Main bearings are critical components that support the crankshaft within the engine block. They create a precise oil clearance, allowing the crankshaft to rotate smoothly while preventing metal-on-metal contact and maintaining oil pressure.

What Chevrolet V8 engine sizes does this bearing set fit?

This ACL main bearing set is compatible with Chevrolet V8 engines in the 396, 402, 427, and 454 cubic inch displacements. It covers a wide range of applications from 1965 through 2000.

Are these bearings a direct fit for my 1973 Excalibur Phaeton?

Yes, this ACL main bearing set (Part# 5M829A-40) is verified to fit the 1972-1974 Excalibur Phaeton models. Proper installation according to manufacturer guidelines is recommended.

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

Specifications

Brand: ACL
Part #: 5M829A-40

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

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-t14-631195
Price: 34.78 USD
Availability: BackOrder

$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 V8 crankshaft main bearing set. Ensures proper oil clearance for your engine.

Key Features

Fits 1972-1974 Excalibur Phaeton.
Designed for Chevrolet V8 engines (396, 402, 427, 454) from 1965-2000.
Maintains proper crankshaft oil clearance.
Helps prevent engine wear and maintain oil pressure.
Well-built materials for engine longevity.

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

This ACL main bearing set is built to keep your Chevrolet V8 engine running smoothly. These bearings sit between the crankshaft and the engine block, controlling the precise oil clearance needed for the crankshaft to spin freely without excessive play. ACL uses well-built materials to ensure these bearings stand up to the demands of your engine, helping to prevent premature wear and maintain proper oil pressure.

When you're rebuilding or refreshing a classic V8, getting the main bearings right is crucial for engine longevity. This set is designed to fit Chevrolet big-block engines from 1965 through 2000, and specifically fits the Excalibur Phaeton models from 1972 to 1974. Make sure to follow the manufacturer's installation instructions carefully for proper torque and oiling procedures.