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.

  • Designed & engineered at SCAT

  • Precision ground & micro polished

  • Heat treated & ion nitrided

  • Straight shot & chamfered oil holes

  • Lightening holes & large radii on all journals

Specs

  • Stroke:  4.250"
  • Rod Length:  6.135''
  • Rod Pin:  2.200''
  • Main:  454 1-Piece RMS
  • External Balance

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