When you start making BIG horsepower in your 4BT there is only one pushrod that will do - Hamilton Cams 07-P-004E Extreme Duty Pushrods.  Rated to 500+ HP.  



  • For Applications over 500HP
  • Intake Pushrod - 3/8″ .095″ Wall 
  • Exhaust Pushrod7/16″ .120″ Wall
  • For High Performance Applications

Hamilton Cams Extreme Duty Pushrods (3.9L 4BT Cummins)

SKU: 07-P-007E

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