What does '.010 undersize' mean for these rod bearings?

'.010 undersize' means these bearings are designed to fit a crankshaft that has been machined down by 0.010 inches. This is a common practice during engine rebuilds to ensure proper clearances and oil flow on a crankshaft that has been ground or worn.

What is the CT-1 coating on these bearings?

The CT-1 coating is a special surface treatment applied to the bearings. It helps to reduce friction during initial engine break-in and provides an extra layer of protection against wear, especially under high-performance conditions.

Are these bearings suitable for a stock engine rebuild?

While these are Race Series bearings with advanced features like the CT-1 coating, they are designed for engines that may be rebuilt for performance or heavy-duty use. For a completely stock rebuild, standard ACL bearings might be considered, but these will offer enhanced durability and protection.

Specifications

Brand: ACL
Part #: 8B663HC-010
UPC: 9315726458709

ACL Chevrolet V8 305-350-400 Race Series .010 Rod Bearing Set - CT-1 Coated

Name: ACL Chevrolet V8 305-350-400 Race Series .010 Rod Bearing Set - CT-1 Coated
Brand: ACL
SKU: acl-acl-chevrolet-v8-305-350-400-race-series-010-rod-bearing-set-ct-1-coated-t14-372792
Price: 161.25 USD
Availability: BackOrder

$161.25

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Key Features

Fits 112+ vehicle make/model combinations.
ACL Race Series rod bearing set for Chevrolet V8 engines.
Designed for 305, 350, and 400 cubic inch engines.
Bearings are .010 inch undersize for use with machined crankshafts.
Features a tri-metal material for high load capacity.
Includes CT-1 coating for improved friction and wear resistance.

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About this part

Product Details

When you're rebuilding a Chevrolet V8 engine, especially one built for performance, the rod bearings are critical. This ACL Race Series set is designed for those demanding applications. They're built with a specific tri-metal material that handles high loads well, and the CT-1 coating adds an extra layer of protection against friction and wear, which is super important when you're pushing an engine hard. These bearings are also .010 inch undersize, meaning they're meant to be used with a crankshaft that's been machined down by that amount to ensure a perfect fit and proper oil clearance.

This set is a solid option if you're working on a 305, 350, or 400 cubic inch small-block Chevy. Make sure your crankshaft journals have been professionally measured and machined to the correct .010 undersize before installing these bearings. Proper installation is key to getting the most out of them and ensuring your engine build lasts.