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

This means the bearings are manufactured to be 0.10 millimeters larger in diameter than standard size. They are intended for use when the crankshaft journals have been machined undersize during an engine rebuild to ensure proper oil clearance.

What is the purpose of the oil grooves on the bearings?

The oil grooves help to distribute oil evenly around the crankshaft journal. The 120-degree groove on the intermediate bearings and the 180-degree groove on the thrust bearings ensure consistent lubrication and help manage oil flow.

Are these bearings suitable for all Chevy V8 engines?

These bearings are specifically designed for Gen 3 Chevy V8 engines, including the 4.8L, 5.3L, 5.7L, and 6.0L displacements. Always confirm your engine generation and size before purchasing.

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Est. 1957

ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 .10mm Oversized Main Bearing Set

Specifications

Brand: ACL
Part #: 5M7298A-10
UPC: 084777700940

ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 .10mm Oversized Main Bearing Set

Name: ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 .10mm Oversized Main Bearing Set
Brand: ACL
Price: 25.59 USD
Availability: InStock

$25.59

Only 1 left in stock

Fits 1997-2004, 2006-2013 Chevrolet Corvette. ACL .10mm oversized main bearing set for reliable engine performance.

Key Features

Fits 1997-2004, 2006-2013 Chevrolet Corvette and 1998-2002, 2010-2015 Chevrolet Camaro.
Main bearings are .10mm oversized for use with machined crankshaft journals.
Intermediate bearings feature a 120-degree oil groove on the upper half.
Thrust bearings have a 180-degree oil groove on the upper half.
Designed for Gen 3 Chevy V8 engines (4.8L, 5.3L, 5.7L, 6.0L).

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Fits these vehicles

Chevrolet Camaro 1998-2002, 2010-2015
Chevrolet Corvette 1997-2004, 2006-2013

Product Details

This set includes main bearings that are .10mm oversized, which is crucial if your crankshaft journals have been machined undersize during a rebuild. The 5M7298A intermediates feature a 120-degree oil groove on the upper half for consistent lubrication, while the thrust bearing has a 180-degree groove on its upper half to manage thrust loads effectively. These bearings are well-built to handle the demands of your 4.8L, 5.3L, 5.7L, or 6.0L V8 engine.

When you're rebuilding your engine, using correctly sized bearings is key to ensuring proper oil clearance and long-term durability. This ACL set is designed to fit right into your 1997-2004 or 2006-2013 Chevrolet Corvette, as well as compatible Camaro models. Make sure to check your crankshaft journal dimensions to confirm this .10mm undersize set is the correct choice for your specific engine build.