ACL Bearings 5M590H-STD H-Series Main Bearing Set for Small Block Ford

The ACL Bearings 5M590H-STD H-Series Main Bearing Set is designed for Small Block Ford engine applications requiring standard-size main bearings. Built for dependable engine performance, this kit supports precise crankshaft fitment and helps maintain consistent oil control in demanding street, performance, and rebuild applications.
The H-Series design is engineered for high-performance use, offering durable bearing construction and a strong foundation for reliable bottom-end operation. The standard bearing size is intended for crankshafts that have not been machined undersize, making proper engine and crankshaft measurement essential before installation. This main bearing set is supplied as a complete kit for convenient replacement during engine assembly or overhaul.
ACL Bearings is recognized for application-focused engine bearing technology and manufacturing quality. The 5M590H-STD set provides a practical replacement solution for compatible Small Block Ford builds, helping support proper clearances, smooth crankshaft rotation, and long-term engine durability when installed according to professional assembly procedures.
Verify engine compatibility, crankshaft condition, bearing clearances, and manufacturer specifications before installation. Professional installation and accurate measurement are recommended to achieve the intended performance and service life. This product is not air restricted and does not require truck freight.

Features:

• Brand: ACL Bearings

• Part Number: 5M590H-STD

• Bearing Type: Main bearing set

• Series: H-Series

• Engine Application: Small Block Ford

• Bearing Size: Standard

• Kit Type: Complete main bearing kit

• Performance Use: Suitable for street, performance, and engine rebuild applications

• Installation Requirement: Confirm crankshaft measurements and bearing clearances before assembly

• Shipping Classification: Not air restricted and not truck freight only