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Founder, 1929-2014
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Scat 9-239-4250-2138 Flathead Ford Stroker Crankshaft, 4-1/4 Inch

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Specs
Sold in Quantity:
Each
Stroke:
4.25
Rod Journal Diameter:
2.138"
Garage Sale:
No
Scat 9-239-4250-2138 Flathead Ford Stroker Crankshaft, 4-1/4 Inch
Scat 9-239-4250-2138 Flathead Ford Stroker Crankshaft, 4-1/4 Inch

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Scat 9-239-4250-2138 Flathead Ford Stroker Crankshaft, 4-1/4 Inch

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What's in the Box

These Scat flathead cranks are made from series 9000 material which is the strongest cast material known. Shot peened, ground and micro-polished to original specs. Uses 1949-1953 bearings.

  • Rod Length: 7.000"
  • Rod Pin: 2.138"
  • Internal balance

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Scat 932911 Flathead Ford Stroker Crankshaft, 4 Inch Stroke
                        

These Scat flathead cranks are made from series 9000 material which is the strongest cast material known. Shot peened, ground and micro-polished to original specs. Uses 1949-1953 bearings.

  • Rod Length: 7.000"
  • Rod Pin: 2.138"
  • Internal balance
Scat 9-239-4125-2138 Flathead Ford Stroker Crankshaft, 4-1/8 Inch
                        

These Scat flathead cranks are made from series 9000 material which is the strongest cast material known. Shot peened, ground and micro-polished to original specs. Uses 1949-1953 bearings.

  • Rod Length:  7.000"
  • Rod Pin:  2.138"
  • Internal balance
Speedway 1949-1953 Flathead Ford V8 Main Engine Bearings-Standard Bore
                        

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 ± .0001" vs. the competitions' ± .00025"
  • Temperature Threshold: Silicon bimetal material melts/flakes at 662° F vs. tri-metal at 365° 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.
King 1939-1948 Flathead Ford V8 Engine Main Bearings, Standard Size
                        

Speedway Motors has all the parts you need to rebuild your Flathead Ford V8, including these high quality main bearings. Precision machined to the high standards demanded by today's rodders and restorers, these bearings for 1939-1948 "59A" Flatheads are available in standard size, .010-, .020 or .030-inch oversize.