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Sealed Power Z5025MA - Sealed Power MA Series Main Bearings

  • Main Bearings, Standard Size, Bi Metal, 3/4 Groove, Chrysler, Dodge, Plymouth, 440, Set of 5
  • Application Specific
  • Estimated Ship Date: 5/29/2012
 
BrandSealed Power
Manufacturer's Part NumberZ5025MA
Part TypeMain Bearings
Product LineSealed Power MA Series Main Bearings
Summit Racing Part NumberSLP-5025MA
UPC614046632585
 
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 3.930 in.
 

These Sealed Power 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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