My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

King Engine Bearings MB5745SI.025 Main Bearing Set 0.25mm Oversize Subaru FA20/FB20

(Subaru Impreza 2012-22, Outback 2013-19, Forester 2011-18, WRX 2015-21, Legacy 2013-19, Crosstrek 2016-22, BRZ 2013-20, 2022 + 4 more models)

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB5745SI.025
14 reviews
Sale Price

$102.13

3 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The King Engine Bearings MB5745SI.025 is a precision-engineered main bearing set designed specifically for Subaru FA20 and FB20 boxer engines. This 0.25mm oversize bearing set is ideal for engine rebuilds where the crankshaft has been machined or when additional clearance is required.

Key Features:

  • Bimetal construction with aluminum-silicon alloy base for superior strength and thermal stability
  • 0.25mm (0.010") oversize for machined crankshafts
  • Precision-manufactured to OEM specifications for proper oil clearances
  • High-performance bearing material optimized for Subaru horizontally-opposed engines
  • Complete main bearing set for FA20/FB20 engine applications
  • Engineered for durability in high-stress performance and street applications

King Engine Bearings are known for their exceptional quality control and precise tolerances, making them a trusted choice for professional engine builders and performance enthusiasts. The aluminum-silicon bimetal construction provides excellent load-bearing capacity while maintaining optimal oil film thickness under demanding conditions.

Products specifications

Fits

Subaru Impreza 2012-22, Outback 2013-19, Forester 2011-18, WRX 2015-21, Legacy 2013-19, Crosstrek 2016-22, BRZ 2013-20, 2022, XV Crosstrek 2013-15, XV 2013-16, 2018-21; Scion FR-S 2013-16; Toyota 86 2017-20

Flange Oversize

FL STD

Material

bimetal (aluminum silicon base)

Undersize

0.25

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Title

King Bearings

so for so good

Fast easy and can use my Amazon card!

Great service

it was one of the most easiest sites to use and the order shipped really quick. will buy from again.

Great prices, great selection

I love how you use amazon payments. It makes everything super easy.

The application will work but I have to modify it slightly as the bolt circle in a little undersized for my application.

will let you know it gets to my house

good service

Good prices. Fast shipping. Fit my 2011 Dodge 3500 Mega Cab Dually perfect. Thanks.

The prices are great. Shipping is so so, but that's normal for Alaska

Very easy to navigate what I was looking for.

nice site

so far so good

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy