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King Engine Bearings MB5518AM030 Main Bearing Set AMC Jeep Undersize - 390 401 030

(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

MB5518AM030
Sale Price

$77.21

Estimated ship date Tuesday, December 01

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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 MB5518AM030 is a complete main bearing set designed for AMC and Jeep 390 and 401 cubic inch engines. This set is manufactured to precise tolerances, ensuring reliable crankshaft support and long-lasting engine performance in high-demand applications.

Key Features:

  • Bimetal construction with aluminum-based bearing material for excellent wear resistance and conformability
  • .030" (0.762mm) undersize — engineered for use with reground crankshafts machined 30 thousandths under standard journal diameter
  • Precision-engineered to OEM specifications for proper oil clearance and crankshaft alignment
  • Aluminum overlay provides superior performance under high load and temperature conditions compared to standard babbitt bearings
  • Full main bearing set includes all required upper and lower bearing shells for complete crankshaft installation

King Engine Bearings is a globally recognized manufacturer of precision engine bearings, trusted by engine builders and performance shops worldwide. The MB5518AM030 is a direct replacement suitable for professional engine rebuilds on AMC 390 and 401 big-block engines.

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.

Flange Oversize

FL ON MAX

Undersize

030

Material

bimetal (aluminum base)

Title

King Bearings

Prop 65

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

check out was fast and easy

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Cheapest I can find for this product. I would buy from this seller again.

They had two items that I wanted in stock with the lowest price I've seen online anywhere, and had super affordable shipping options.

Great price on the net among other competitors.

Fast shipping. Autoplicity has the best pricing I can find. <br>Very happie.

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