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Sealed Power Z4924MA10 - Federal Mogul MA Series Main Bearings

  • Main Bearings, 3/4 Groove, .010 in. Undersize, Aluminum Alloy, Chrysler, Big Block B/RB, Set of 5
  • Additional Info
    • Renamed Part: SLP-4924MA10
      The part FEM-4924MA10 has been renamed to SLP-4924MA10.
 
BrandSealed Power
Manufacturer's Part NumberZ4924MA10
Part TypeMain Bearings
Product LineFederal Mogul MA Series Main Bearings
Summit Racing Part NumberFEM-4924MA10
 
Bearing UsagePerformance
Grooved BearingYes
Groove LocationUpper and lower
Groove Style3/4
Bearing MaterialBi metal aluminum alloy, A-Series
QuantitySold as a set of 5.
NotesMaximum outside diameter of thrust flange surface is 3.624 in. 1959-1960 383 cid. engines must verify flange OD before ordering.
 

Believe it or not, Federal Mogul MA Series main bearings can actually polish the journals on your crankshaft. That's because there's a small percentage of silicon mixed in with the aluminum and tin that make up the bearing-surface alloy. The silicon is there for wear resistance, but its toughness actually smoothes the journals of a crank whose surface hasn't been optimized! This special surface alloy is laid over a high-strength 1010 steel backing and delivers improved seizure and corrosion resistance, as well as better control of wall variance. It also helps to minimize debris embedding, which can score the crank's surface.

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