What is the CT-1 coating on these bearings?

The CT-1 coating is a dry film lubricant applied by ACL. It's designed to reduce friction and wear, especially during the engine's break-in period, and offers added protection against scuffing.

Are these bearings for a performance engine rebuild or a stock replacement?

These bearings are a solid option for both stock replacement and performance engine rebuilds. Their standard size and durable construction make them suitable for various applications, and the CT-1 coating adds an extra layer of protection.

Do I need any special tools to install these main bearings?

Installation of main bearings typically requires specialized tools such as a bearing installer kit, torque wrench, and feeler gauges to verify oil clearance. Always refer to the manufacturer's service manual for the correct procedures and specifications.

ACL Chevy 265/283/302/327 Standard Size Main Bearing Set - CT-1 Coated

Specifications

Brand: ACL
Part #: 5M429HC-STD
UPC: 9315726457825

ACL Chevy 265/283/302/327 Standard Size Main Bearing Set - CT-1 Coated

Name: ACL Chevy 265/283/302/327 Standard Size Main Bearing Set - CT-1 Coated
Brand: ACL
Price: 172.39 USD
Availability: InStock

$172.39

On Backorder

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Key Features

Fits 1955-1967 Chevrolet and GMC vehicles with 265, 283, 302, or 327 cubic inch V8 engines.
Standard size bearings for use with an unmachined crankshaft.
Features ACL's CT-1 dry film lubricant coating for reduced friction and improved break-in protection.
Well-built construction designed for reliable performance and durability.
Helps ensure proper crankshaft support and oil clearance during engine operation.

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Will this fit your vehicle?

Product Details

ACL has been making engine bearings for decades, and this standard size main bearing set for your Chevy V8 is one of their staples. If you're rebuilding or refreshing an engine with a 265, 283, 302, or 327 cubic inch displacement, these bearings are designed to fit right and perform reliably. They are built to handle the stresses of daily driving and performance use, ensuring your crankshaft spins smoothly within the engine block.

These bearings feature ACL's CT-1 coating, which is a dry film lubricant that helps reduce friction and wear, especially during the critical initial break-in period. This coating also offers improved protection against scuffing. The standard size means they are intended for use with an unmachined crankshaft, making them a straightforward choice for many engine builds. ACL uses well-built materials and manufacturing processes to ensure consistent performance and durability for your engine's bottom end.

When you're putting an engine back together, the main bearings are a crucial component. They support the crankshaft and manage oil flow to keep everything lubricated. Choosing a reliable bearing set like these from ACL helps ensure the longevity and performance of your rebuild. Make sure to follow the manufacturer's installation instructions carefully, including proper oil clearances and torque specifications, to get the best results.