ACL Bearings 5M8309HC-.025 Race Series Main Bearing Set for Subaru EJ20, EJ22 and EJ25

Upgrade the foundation of your Subaru engine with the ACL Bearings 5M8309HC-.025 Race Series Main Bearing Set. Designed for Subaru EJ-Series engines, this coated main bearing set features a 0.025 mm undersize specification for crankshafts that have been machined to the corresponding undersize. It is engineered to support precise bearing fitment and dependable crankshaft operation in performance-oriented and rebuilt applications.
The Race Series construction is intended for demanding engine environments where accurate clearances, durable materials and consistent performance are essential. The coating helps provide additional protection at the bearing surface, while the carefully manufactured design supports stable oil control and reliable load distribution across the crankshaft journals. This kit is suitable for Subaru EJ20, EJ22 and EJ25 engine applications when matched to the correct crankshaft specifications and rebuild requirements.
Feature: Brand — ACL Bearings
Feature: Part number — 5M8309HC-.025
Feature: Bearing type — Main bearing set
Feature: Series — Race Series
Feature: Bearing finish — Coated
Feature: Undersize specification — 0.025 mm undersize
Feature: Application — Subaru EJ-Series engines
Feature: Compatible engines — Subaru EJ20, EJ22 and EJ25
Feature: Intended use — Engine rebuilding, performance upgrades and precision crankshaft assembly
Verify crankshaft journal measurements, bearing clearances and engine compatibility before installation. Professional installation is recommended to ensure correct fitment, lubrication and alignment throughout the Subaru EJ-Series engine assembly.

Features:

• ACL Bearings Race Series main bearing set

• 0.025 mm undersize specification

• Coated bearing surface for enhanced protection

• Designed for Subaru EJ-Series engines

• Compatible with Subaru EJ20, EJ22 and EJ25 applications

• Suitable for rebuilt and performance engine assemblies