Callies Magnum
  • Premium Ultra Case Heat Treated SAE 4340 Steel
  • New Design 8 Counter Weight Forging
  • Main Journal Dia. 2.749″ 351 Cleveland
  • Rod Journal 2.100″
  • Rod Length 6.200″
  • Stroke 4.000″
  • Enhanced rod oiling through the use of Main Bearing Oil Hole Lead-ins
  • Gun Drilled Mains
  • All Rod Journals Lightened
In Stock and ready to Ship!