What does '0.010 inch undersize' mean for these bearings?

This means the bearings are designed to fit a crankshaft that has been machined down by 0.010 inches from its original size. This is common when a crankshaft has been worn or needs to be resurfaced during an engine rebuild.

Are these bearings suitable for a stock engine rebuild?

While these are Race Series bearings built for performance, they can be used in a stock rebuild if the crankshaft has been machined to the 0.010 inch undersize specification. For a standard rebuild without machining, you would typically look for standard size bearings.

What material are these ACL bearings made from?

These ACL Race Series bearings utilize a tri-metal material construction. This type of material is known for its strength and ability to handle higher loads and temperatures compared to standard bearing materials.

Specifications

Brand: ACL
Part #: 8B527HD-010

ACL Chrysler Prod. V8 383-400-440 Race Series Engine Connecting Rod Bearing Set

Name: ACL Chrysler Prod. V8 383-400-440 Race Series Engine Connecting Rod Bearing Set
Brand: ACL
SKU: acl-acl-chrysler-prod-v8-383-400-440-race-series-engine-connecting-rod-bearing-s-t14-631144
Price: 207.41 USD
Availability: BackOrder

$207.41

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ACL Race Series connecting rod bearings for Chrysler V8 383-400-440 engines. Part# 8B527HD-010. Undersize 0.010 inch.

Key Features

Fits 1969-1974 Bristol 411.
Fits 1959-1978 Chrysler models including 300, Cordoba, Imperial, New Yorker, Newport, Saratoga, Town & Country, and Windsor.
Fits 1958-1961 DeSoto models including Adventurer, Firedome, Fireflite, and Firesweep.
Fits 1963-1964 Dodge 330 and 440.
Fits 1962-1979 Dodge models including 880, B100 Van, B200 Van, B300 Van, CB300, Challenger, Charger, Coronet, Custom, D100 Pickup, D100 Series, D100, D150, D200 Pickup, and D200.
Race Series connecting rod bearing set for Chrysler V8 383, 400, and 440 engines.

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About this part

Product Details

When you're building or rebuilding a performance V8 for your Chrysler, Dodge, or Plymouth, getting the right bearings is crucial. This set of ACL Race Series connecting rod bearings is specifically made for the 383, 400, and 440 cubic inch Mopar big blocks. These aren't your everyday bearings; they're built with a focus on durability and performance under demanding conditions.

ACL uses a tri-metal material construction for these bearings, which is known for its strength and ability to handle higher loads and temperatures. The 8B527HD-010 part number indicates these are 0.010 inch undersize, meaning they're intended for crankshafts that have been machined down by that amount to correct wear or achieve a specific clearance. This attention to detail in material and sizing is what you'd expect when aiming for a reliable performance engine build.

This set fits a wide range of classic Mopar vehicles from the late 50s through the late 70s. Make sure to check the fitment list to see if your specific car or truck is covered. Having the right internal engine components, like these well-built bearings, is key to a strong-running engine.