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King Engine Bearings MB4052SI0.75 Main Bearing Set Ford Oversize - 232 3.8L 0.75mm

(1989-1995 Ford Thunderbird; 1990-1994 Ford Cougar; 1989-1990 Mercury Cougar)

Part of: King Engine Bearings Main Bearing Set Oversize

Other options in this family: King Engine Bearings MB5835SI0.5 King Engine Bearings MB5557SI0.75 King Engine Bearings MB4102SI0.25 King Engine Bearings MB5280SI0.5 King Engine Bearings MB5770SI0.25

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB4052SI0.75
14 reviews
Sale Price

$72.09

3 left at this price

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Usually delivered within 2 days

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Product Details

The King Engine Bearings MB4052SI0.75 is a precision-engineered main bearing set designed specifically for Ford 232 cubic inch (3.8L) engines. This oversize bearing set features 0.75mm additional material to accommodate reground crankshafts, restoring proper clearances and extending engine life.

Material Specification:

  • Bi-metal silicon aluminum construction for superior performance
  • Aluminum-based alloy strengthened with 2.5-3% silicon content
  • Engineered for medium load applications and nodular cast iron crankshafts
  • Excellent conformability and embedability characteristics
  • Enhanced wear resistance and thermal conductivity

Key Features:

  • 0.75mm oversize for crankshaft regrinding applications
  • Complete main bearing set for full engine rebuild
  • Precision manufactured to OEM tolerances
  • Compatible with Ford 232 (3.8L) engine blocks
  • Ideal for performance rebuilds and engine restoration

King Engine Bearings are manufactured using advanced metallurgy and strict quality control processes, ensuring reliable performance and longevity. The silicon aluminum material provides the optimal balance of strength and conformability for medium-duty applications, making this bearing set an excellent choice for street and moderate performance engines.

Products specifications

Fits

1989-1995 Ford Thunderbird; 1990-1994 Ford Cougar; 1989-1990 Mercury Cougar

Flange Oversize

FL ON MAX

Material

bimetal (aluminum silicon base)

Undersize

0.75

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