What does 'standard size' mean for these bearings?

Standard size bearings are meant for crankshaft journals that have not been machined undersize. If your crankshaft has been ground down during a previous repair or rebuild, you will need an undersize bearing set to match the new journal diameter.

What is the best way to install these bearings?

Ensure the crankshaft journals and the bearing saddles in the engine block are perfectly clean. Apply a generous amount of engine assembly lubricant to the bearings and journals before installing the crankshaft to protect them during initial engine startup.

Are these bearings suitable for a performance engine build?

ACL bearings are well-built and suitable for many applications. For extreme performance builds with very high horsepower or RPMs, it's always recommended to consult with an engine builder to ensure the chosen bearing material and clearances meet the specific demands of your build.

ACL Main Bearing Set 5M829A-STD

Name: ACL 65-00 Chevy V8 396/402/427/454Standard Size Main Bearing Set
Brand: ACL
Price: 31.05 USD
Availability: InStock

ACL 65-00 Chevy V8 396/402/427/454Standard Size Main Bearing Set

$31.05

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ACL 5M829A-STD standard size main bearing set for Chevy V8 396-454 engines.

Key Features

Fits 1965-1969 Chevrolet Chevelle
Fits 1966-1969 Chevrolet Corvette
Fits 1969 Chevrolet Camaro
Fits 1970-1972 Chevrolet Impala
Fits 1976-1980 Chevrolet C10
Fits 1988-2000 Chevrolet C3500

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Will this fit your vehicle?

Product Details

You get a full set of standard size main bearings in this kit, which means one box handles the critical bottom-end rotating assembly for your Chevy V8. These bearings are essential for proper oil clearance and smooth operation of your crankshaft. If you're rebuilding a 396, 402, 427, or 454 big-block Chevy, getting the right bearings is a key step to a long-lasting engine.

ACL has been making engine bearings for a long time, and these are well-built for the job. They're made to the correct specifications to ensure they fit right and provide the necessary oil film between the crankshaft journals and the engine block. This set is for standard size crankshafts, so make sure your journals haven't been ground undersize during a previous rebuild or repair. If they have, you'll need a different size bearing set.

When you're putting your engine back together, cleanliness is paramount. Make sure your crankshaft journals and the bearing saddles in the block are spotless before installation. Using a quality assembly lube is also highly recommended to protect the bearings during initial startup.