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King Engine Bearings MB5518AM020 Main Bearing Set AMC Jeep Undersize - 390 401 020

(Jeep Cherokee 1974-83, CJ7 1976-81, CJ5 1971-81, Grand Wagoneer 1984-91, J10 1974-88, Wagoneer 1972-83, J20 1974-88, Commando 1972-73 + 29 more models)

Manufacturer

Part Number

MB5518AM020
Sale Price

$70.39

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The King Engine Bearings MB5518AM020 is a complete main bearing set designed for AMC and Jeep 390 and 401 cubic inch engines. This set features a bimetal construction with an aluminum base, providing excellent wear resistance, load capacity, and thermal conductivity for reliable crankshaft support.

Key Features:

  • Bimetal (aluminum base) construction for enhanced durability and performance
  • .020" undersize — engineered for use with reground or worn crankshafts machined to .020" under standard dimensions
  • Precision-engineered to OE specifications for proper fit and function
  • Designed specifically for AMC / Jeep 390 and 401 cubic inch engines
  • King's proprietary tri-metal overlay provides superior surface compatibility and break-in characteristics
  • Tight dimensional tolerances ensure correct oil clearance for optimal lubrication

King Engine Bearings is a globally recognized manufacturer of precision engine bearings trusted by professional engine builders and rebuilders worldwide. The MB5518AM020 is an ideal replacement bearing set for engine rebuilds or overhauls where the crankshaft has been reground to .020" undersize.

Products specifications

Fits

Jeep Cherokee 1974-83, CJ7 1976-81, CJ5 1971-81, Grand Wagoneer 1984-91, J10 1974-88, Wagoneer 1972-83, J20 1974-88, Commando 1972-73, CJ6 1971-75, Jeepster 1971, J-100 1971-73, DJ5 1973-81, J-2500 1970-73, J-4600 1971-73 + 23 more models

Bearing Material

Alecular silicon

Bearing Usage

Performance

Groove Location

Upper

Groove Style

1/2

Grooved Bearing

Yes

Quantity

Sold as a set of 5.

Material

bimetal (aluminum base)

Flange Oversize

FL ON MAX

Undersize

020

Title

King Bearings

Prop 65

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

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Overall very good, fast service. Will shop there again.

Shopped around and Autoplicity had the best price by far on the BOV for my car. Shipping was fast, very satisfied!

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