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Engines and Components› Engine Bearings
King Engine Bearings
King Subaru WRX/STi EJ20 EJ22 EJ25 Flange #3 Position Performance Main Bearing Set - Size STD
SKU: K006 MB5220XP
Advanced — 4+ hours
Overview
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Part #: MB5220XP
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive product offering that incl
Features:
- PMaxBlack for Superior Load Capacity
- Radialock for Optimal Crush Height
- Tri-metal Copper Based Material
MAIN BEARING SET For SUBARU WRX/STI EJ20, EJ22, EJ25
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Low oil pressure warning light on dash
- Engine knocking or tapping noise from lower end
- Increased engine vibration at idle
- Metal shavings in oil during change
- Loss of power under acceleration
Relevant Conversations
- Subaru EJ25 engine knocking sound main bearing
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- Low oil pressure after bearing replacement Subaru
- Best main bearings for 400whp Subaru build
- Subaru engine rebuild kit main bearings king
- Symptoms of spun main bearing Subaru
- Subaru #3 main bearing position flange
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | King Engine Bearings |
| Part Number | K006 MB5220XP |
About MOTORMIA
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Returns & Fitment
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.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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