Exterior Components› Body Panels and Components
King Engine Bearings
King Subaru WRX/STi EJ20 EJ22 EJ25 Flange #3 Position (Size 0.5) Performance Main Bearing Set
SKU: K006 MB5220XP0.5
Easy — 1–2 hours
Description
Part #: MB5220XP0.5
Optional to MB5220AM (Race bearings, Tri-metal pMax Black)
MAIN BEARING SET For SUBARU WRX/STI EJ20, EJ22, EJ25 | pmax black (racing line)
MIA's Description
This oversized (.050mm) bearing set is specifically designed for engines with thrust in position 3. It is compatible with Subaru EJ20, EJ22, and EJ25 engines, including specific models like the 2002-2014 WRX and 2004-2021 STI. The bearings achieve a hardness level of 11-14 HV and a maximum load capacity of 8,000-8,500 psi.
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
| Brand | King Engine Bearings |
| Part Number | K006 MB5220XP0.5 |
Videos
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