scat crankshaft, stroker, steel 4340 non-twist, bb chevrolet, 4.250 in. stroke, 6.385 rod length, 1-piece rms, each

SCAT’s 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. With SCAT’s premium non-twist forgings, machined to exact specifications big and reliable cubic inches can be made.

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  Designed & engineered at SCAT

  
  


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  Precision ground & micro polished

  
  


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  Heat treated & ion nitrided

  
  


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  Straight shot & chamfered oil holes

  
  


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  Lightening holes & large radii on all journals

  
  

Specs

• Stroke:  4.250"


• Rod Length:  6.385''


• Rod Pin:  2.200''


• Main:  454 1-Piece


• Internal Balance