ACL Bearings 5M909HXC-STD Race Series Main Bearing Set for Small Block Chevy

Upgrade the bottom end of your Small Block Chevy engine with the ACL Bearings 5M909HXC-STD Race Series Main Bearing Set. Designed for high-performance and competition applications, this coated main bearing kit features extra oil clearance to support demanding engine builds and help maintain a consistent lubrication film under increased load. The standard-size configuration is suited for properly prepared crankshafts and compatible SBC applications, including 267-350 cubic-inch engines.
The ACL Bearings Race Series design combines precise manufacturing with a durable coated bearing surface for dependable operation in performance-focused engines. Extra oil clearance can help accommodate increased oil flow requirements and performance-oriented bearing clearances when matched to the builder’s specifications. Always verify crankshaft journal condition, housing bore measurements, bearing alignment, and final clearances before installation.
This complete main bearing set is identified by part number 5M909HXC-STD and is engineered as a direct-fit replacement for applicable Small Block Chevy configurations. Its coated construction helps provide added protection during demanding use, while the standard sizing simplifies selection for engines using standard main journals. Professional installation and careful measurement are recommended to ensure proper fit, oiling, and long-term reliability.

Features:

• Brand: ACL Bearings

• Part Number: 5M909HXC-STD

• Application: Small Block Chevy engines, including 267-350 cubic-inch configurations

• Series: Race Series

• Bearing Type: Main bearing set

• Size: Standard

• Oil Clearance: Extra oil clearance

• Surface: Coated

• Kit Contents: Complete main bearing set

• Performance Use: Designed for high-performance and competition engine applications