What does '.10mm oversized' mean for these main bearings?

'.10mm oversized' means these bearings are slightly larger than standard size. They are intended for use when the crankshaft journals have been machined down by 0.10mm during an engine rebuild to ensure a proper fit and oil clearance.

What is trimetal construction?

Trimetal construction refers to a bearing design that uses three distinct layers of material. This layered approach typically provides a good balance of strength, conformability, and embeddability, making it a well-built choice for engine bearings.

Do these bearings come with installation instructions?

This set includes the main bearings. Always refer to the manufacturer's installation instructions or a reputable service manual for proper installation procedures and torque specifications.

ACL 1967-1998 Chevy V8 267/305/327/350 .10mm Trimetal Oversized Main Bearing Set

Specifications

Brand: ACL
Part #: 5M909P-10
UPC: 9315726097977

ACL 1967-1998 Chevy V8 267/305/327/350 .10mm Trimetal Oversized Main Bearing Set

Name: ACL 1967-1998 Chevy V8 267/305/327/350 .10mm Trimetal Oversized Main Bearing Set
Brand: ACL
Price: 47.24 USD
Availability: InStock

$47.24

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Fits 1967-1973 Chevy Camaro. ACL .10mm oversized main bearing set for V8 engines. Restores proper crankshaft support.

Key Features

Fits 1967-1973 Chevrolet Camaro, 1969-1974 Chevrolet C10 Pickup, and 1962-1967 Chevrolet Impala.
This is a .10mm oversized main bearing set, intended for use with a crankshaft that has been machined undersize.
Features a trimetal construction for improved durability and performance.
Designed for Chevrolet V8 engines including 267, 305, 327, and 350 cubic inch displacements.

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Fits these vehicles

Chevrolet C10 Pickup 1969-1974
Chevrolet Camaro 1967-1973
Chevrolet Impala 1962-1967

Product Details

This ACL main bearing set is built with a trimetal construction, which is a well-built standard for performance and durability in V8 engines. These bearings are .10mm oversized, meaning they are designed to compensate for crankshaft journals that have been machined down during a rebuild. This ensures a precise fit and proper oil clearance, which is critical for lubricating and supporting the crankshaft. This set is specifically made for Chevy V8 engines like the 267, 305, 327, and 350 cubic inch displacements found in many classic Camaros, C10s, and Impalas.

When rebuilding your engine, using the correct size bearings is essential for longevity and performance. These ACL bearings are a solid option for anyone looking to restore their engine's bottom end with reliable components.