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King Engine Bearings MB5518AM Main Bearing Set for AMC/Jeep 390 401 V8

(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

Picture for manufacturer King Engine Bearings

Part Number

MB5518AM
4 reviews
Sale Price

$48.22

In Stock (5)

delivery box

Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The King Engine Bearings MB5518AM is a complete main bearing set engineered specifically for AMC and Jeep 390 and 401 cubic inch V8 engines. This precision-manufactured bearing set provides the critical interface between the crankshaft and engine block, ensuring proper oil clearances and smooth crankshaft rotation.

Key Features:

  • Bimetal construction with aluminum base alloy for excellent load capacity and durability
  • Direct replacement main bearing set for AMC 390 and 401 V8 engines
  • Precision-manufactured to OEM specifications for proper fitment and performance
  • Compatible with Jeep applications including J-Series trucks, Wagoneer, and Cherokee with 390/401 engines
  • Complete set includes all main bearings needed for engine rebuild or replacement

King Engine Bearings are manufactured to strict tolerances and quality standards, making them a trusted choice for professional engine builders and serious enthusiasts. The aluminum-based bimetal construction provides reliable performance for street and performance applications while maintaining proper oil film strength under varying load conditions.

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.

Undersize

STD

Material

bimetal (aluminum base)

Flange Oversize

FL STD

Prop 65

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

Title

King Bearings

A+shipping was quick, communications were quick

It was a great experience! This was my first time shopping with you guys, and I couldn't be more impressed. Great prices.

Found an item that has been unavailable every where I have looked.

Best prices online! Ordered a JBA performance exhaust and Airaid intake system for my 06 F-150. Was hesitant at first because I never heard of them but ordering was a breeze and saved me over $100 total for two items compared to anywhere else. Had package at my door in about 24 hours and even selected normal UPS ground shipping. Very satisfied and will definitely return!

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