ACL Bearings 5M1039HC-010 Race Series Main Bearing Set for Big Block Ford 429/460, 0.010-Inch Undersize, Coated

The ACL Bearings 5M1039HC-010 Race Series main bearing set is designed for Big Block Ford 429 and 460 engines requiring 0.010-inch undersize main bearings. This coated bearing set supports dependable crankshaft operation and is suited for performance engine builds, rebuilds, and applications where precise bearing fit and durable materials are essential. The Race Series design provides a reliable foundation for maintaining consistent crankshaft support under demanding operating conditions.
Engineered as a direct-fit main bearing solution for compatible Big Block Ford applications, the ACL Bearings 5M1039HC-010 set helps promote proper oil control and smooth engine operation when installed with the correct crankshaft and bearing clearances. The coated surface is designed to support wear resistance and durability, while the 0.010-inch undersize specification accommodates a properly machined crankshaft journal. Always verify engine compatibility, crankshaft machining, and manufacturer-recommended clearances before installation.
This ACL Bearings main bearing set is supplied as a complete kit for the intended application and is identified by part number 5M1039HC-010. It is not air restricted and does not require truck freight, making it a practical choice for professional engine builders, automotive machine shops, and performance enthusiasts. Follow all applicable assembly procedures and use appropriate lubrication during installation to help achieve reliable service life.

Features:

• Brand: ACL Bearings

• Part Number: 5M1039HC-010

• Series: Race Series

• Application: Big Block Ford 429/460 engines

• Bearing Type: Main bearing set

• Fitment: 0.010-inch undersize

• Surface: Coated for enhanced durability and wear resistance

• Kit: Complete main bearing set

• Air Restricted: No

• Truck Freight Only: No