Sale

Engines and Components Engine Bearings

ACL

ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.50mm Oversized High Performance Main Bearing

$134.67 $98.80 Save $35.87

SKU: A002 5M8309H-.50

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The ACL 5M8309H-.50 is a set of performance engine crankshaft main bearings. These bearings are made from F780 material and feature identical halves. They are designed with a size of .50 mm/.020 in. undersize and include thrust in the #5 position.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandACL
Part NumberA002 5M8309H-.50

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy