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1949-1953 Flathead Ford V8 Main Engine Bearings .020 Undersized
1949-1953 Flathead Ford V8 Main Engine Bearings .020 Undersized

49-53 FLATHEAD MAIN BRG.SET

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1949-1953 Flathead Ford V8 Main Engine Bearings .020 Undersized
49-53 FLATHEAD MAIN BRG.SET
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Part # UP94809
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Speedway Motors to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item UP94809 is made to order. It will be shipped from our warehouse when it is produced.

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These are garage sale priced because they have some minor scratches to one bearing half.

No Warranty, No Returns on Garage Sale Items    

 

Speedway Motors has all the parts you need to rebuild your Flathead Ford V8, including these high quality main bearings. Precision built to the high standards demanded by today's rodders and restorers, these silicon bi-metal bearings are available in standard size, .010", .020", or .030" undersize.

 

  • Improves Crankshaft Finish:¬†Silicon particles reduce/eliminate microscopic ferrite peaks on improperly ground/polished nodular cast iron crankshafts.
  • Wear Resistance:¬†During engine operation, silicon particles round off crank journal high spots, reducing friction and related wear.
  • Improved oil clearance:¬†Because of reduced wear, silicon bearings make it possible to maintain OE clearances over the life of the engine, which reduces operating noise, vibration, and excess oil flow.
  • Tolerance Control:¬†All shells matched to ¬Ī .0001" vs. the competitions' ¬Ī .00025"
  • Temperature Threshold:¬†Silicon bimetal material melts/flakes at 662¬į F vs. tri-metal at 365¬į F.
  • Corrosion Resistance:¬†Defends against corrosion caused by unleaded fuels and moisture.
  • Environmentally Friendly:¬†All KING silicon bimetal engine bearings are "Lead Free".
  • O.E. preferred material:¬†Most O.E. engines today use and enjoy the benefits of silicon bimetal bearings.
Some parts are not legal for use in California or other states with similar laws/regulations

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