ACL Bearings 5M590HC-010 Race Series Main Bearing Set for Small Block Ford, 0.010-Inch Undersize, Coated

Upgrade the bottom end of your Small Block Ford engine with the ACL Bearings 5M590HC-010 Race Series main bearing set. Designed for performance-oriented engine builds, this coated bearing set provides a reliable fit for select Ford 255, 289, and 302 cubic-inch applications. The 0.010-inch undersize specification is intended for crankshafts machined to match, making proper measurement and clearance verification essential during installation.
The Race Series construction is engineered to support demanding operating conditions while maintaining dependable crankshaft support. A durable coating helps promote consistent bearing performance and protection in high-load environments. This kit is suitable for builders, engine rebuilders, and performance enthusiasts seeking a precision-focused main bearing solution from ACL Bearings.
Feature: Race Series main bearing set for Small Block Ford applications
Feature: Fits select Ford 255, 289, and 302 cubic-inch engines
Feature: 0.010-inch undersize specification for properly machined crankshafts
Feature: Coated bearing surface for enhanced durability and wear protection
Feature: Designed for performance engine builds and rebuild applications
Before installation, confirm crankshaft journal measurements, housing bore condition, bearing fit, oil clearance, and application compatibility. The ACL Bearings 5M590HC-010 set is supplied for engine assembly use and should be installed according to the engine manufacturer’s service procedures and recommended torque specifications.

Features:

• Race Series main bearing set for Small Block Ford applications

• Fits select Ford 255, 289, and 302 cubic-inch engines

• 0.010-inch undersize specification for properly machined crankshafts

• Coated bearing surface for enhanced durability and wear protection

• Designed for performance engine builds and rebuild applications

• Not air restricted

• Not limited to truck freight