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King Engine Bearings MB5558SI0.25 Main Bearing Set Ford - 1.9L 2.0L R6A

(2000-2004 Ford Focus; 1985-2002 Ford Escort; 1986-1988 Ford EXP; 1991-1999 Mercury Tracer; 1985-1987 Mercury Lynx)

Part of: King Engine Bearings Main Bearing Set Oversize

Other options in this family: King Engine Bearings MB5835SI0.5 King Engine Bearings MB5280SI0.5 King Engine Bearings MB5557SI0.75 King Engine Bearings MB5770SI0.25 King Engine Bearings MB5845SI

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB5558SI0.25
12 reviews
Sale Price

$29.14

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The King Engine Bearings MB5558SI0.25 is a precision-engineered main bearing set designed for Ford R6A engines, including 114 cubic inch (1.9L) and 121 cubic inch (2.0L) applications. This oversize bearing set features a +0.25mm increased dimension to accommodate machined crankshafts.

Material Construction:

  • Bi-Metal Silicon Aluminum Design: Features an aluminum-based bearing material reinforced with 2.5-3% silicon content for enhanced strength and durability
  • Optimized for Medium Load Applications: Engineered specifically for medium-duty engines and nodular cast iron crankshafts
  • Superior Wear Resistance: Silicon reinforcement provides excellent wear characteristics and extended service life
  • Precision Tolerances: Manufactured to exacting standards for proper oil clearance and optimal engine performance

This main bearing set is ideal for engine rebuilds requiring oversized bearings due to crankshaft machining. King Engine Bearings are trusted by professional engine builders and performance enthusiasts for their quality and reliability.

Products specifications

Fits

2000-2004 Ford Focus; 1985-2002 Ford Escort; 1986-1988 Ford EXP; 1991-1999 Mercury Tracer; 1985-1987 Mercury Lynx

Flange Oversize

FL ON MAX

Undersize

0.25

Material

bimetal (aluminum silicon base)

Prop 65

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

Title

King Bearings

Great experience so far

I ordered the correct Ranch Hand Bumper part number for my 2006 GMC Sierra 2500HD, but your description says it's for a 1500HD. I hope it is for my truck. It's a great deal if correct!

I hope this time there will be no problem or cancellation of my order from your end, as I confirmed the stock from your sale department personnel (Hector) before I proceed on checking out.

Great site for just about anything Automotive unbeatable prices, lightening fast turnaround, what more could you ask for?

great

Very fast response to order. Only place I could find the product I wanted.

easy

Product was as described, shipping was fast, and communication was excellent. Plus I saved $$. Thanks Autoplicity! I'll be a repeat buyer and referral source.

Simple and friendly

Good so far

Really good knowing the parts are exact to my jeep

Bought an MSD ignition box from Autoplicity because they had the best price on the web. Always a little weiry of ordering from the lowest price vendor, but the service here has been second to none. I will always check here first in the future! And $5 back on my order to boot!

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