What does 'Standard Size' mean for these bearings?

Standard size bearings are designed to fit crankshaft journals that are at their original factory diameter. If your crankshaft has been previously machined undersize due to wear or performance modifications, you would need to order bearings of the appropriate undersize (e.g., .010" or .020").

Are these bearings suitable for daily driving or only race cars?

While called 'Race Series,' these bearings offer improved durability and protection over standard bearings, making them a great choice for any performance-oriented build, including street-driven vehicles that see spirited use. They are well-suited for engines that experience higher loads and RPMs.

What is the overlay material used in ACL Race Series bearings?

ACL utilizes a specialized overlay material engineered to provide enhanced resistance to higher loads and operating temperatures. This advanced material helps protect the crankshaft journals from excessive wear, especially in demanding engine conditions.

Specifications

Brand: ACL
Part #: 8B745HX-STD

ACL Chevrolet V8 265-283-302-327 Race Series Engine Connecting Rod Bearing Set

Name: ACL Chevrolet V8 265-283-302-327 Race Series Engine Connecting Rod Bearing Set
Brand: ACL
SKU: acl-acl-chevrolet-v8-265-283-302-327-race-series-engine-connecting-rod-bearing-s-t14-630510
Price: 120.92 USD
Availability: BackOrder

$120.92

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ACL Chevrolet V8 265-283-302-327 Race Series connecting rod bearing set. Standard size for performance builds.

Key Features

Fits 1955-1967 Chevrolet and GMC V8 engines with 265-327 cubic inch displacements.
ACL Race Series bearings are designed for high-performance applications.
Standard size bearings are intended for use with factory-spec or undamaged crankshaft journals.
Features a specialized overlay material for improved load and temperature resistance.
Chamfered edges promote better oil flow to the crankshaft journals.
Helps protect crankshafts in performance engine builds.

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About this part

Product Details

When you're building a performance V8 for your classic Chevy, getting the right bearings is crucial. These ACL Race Series connecting rod bearings are built for the demands of higher RPMs and increased stress that come with a performance engine. They're a standard size, meaning they're meant to be used with a crankshaft that hasn't been machined undersize, which is common in stock or mild rebuilds.

ACL uses a specialized overlay material in their Race Series bearings. This material is designed to withstand higher loads and temperatures, offering better protection for your crankshaft journals compared to standard bearings. The chamfered edges on these bearings also help with oil flow during initial startup and at higher engine speeds, reducing wear. They fit a wide range of popular Chevrolet V8 engines from the late 50s through the 60s, making them a solid choice for many classic performance builds.

If you're rebuilding a 265, 283, 302, or 327 cubic inch Chevrolet V8 and want reliable bearing performance, this set from ACL is a popular option. Make sure to check your crankshaft journals for wear and ensure they are within the standard size specifications before ordering.