ACL Bearings 5M909HC-010 Race Series Main Bearing Set for Small Block Chevy, 0.010-Inch Undersize, Coated

The ACL Bearings 5M909HC-010 Race Series Main Bearing Set is designed for Small Block Chevy engines requiring reliable crankshaft support and consistent bearing performance. This coated main bearing set features a 0.010-inch undersize configuration for use with an appropriately machined crankshaft, helping provide accurate clearance and dependable operation in performance and high-demand applications. It is suited for Small Block Chevy 267 to 350 cubic-inch engine platforms, making it a practical choice for rebuilds, upgrades, and competition-focused engine assemblies.
ACL Bearings Race Series components are manufactured with performance-oriented materials and construction to support durability under demanding operating conditions. The coated bearing surface helps promote smooth crankshaft rotation and resistance to wear when paired with correct installation practices, lubrication, and clearances. The 5M909HC-010 part number identifies this specific coated main bearing configuration, allowing for straightforward selection when matching replacement components to an engine build.
Before installation, verify crankshaft journal measurements, bearing clearance, oiling requirements, and compatibility with the specific Small Block Chevy application. Professional inspection and precise machining are recommended to ensure proper fit and long service life. The set is provided for engine rebuilding and performance applications where dependable main bearing support is essential.

Features:

• Brand: ACL Bearings

• Part Number: 5M909HC-010

• Bearing Type: Main bearing set

• Series: Race Series

• Fitment: Small Block Chevy 267-350 engines

• Undersize: 0.010 inch

• Construction: Coated bearing surface

• Application: Engine rebuilds and performance applications