J2Fabrication 370A Extreme Plus 2011 and up 6.7 Powerstroke


The J2Fab 6 phase hairpin alternator is our premium offering. Rated at 370A these 6phase units offer greater idle output and efficiency than other aftermarket Powerstroke units making it the perfect match for your Ford Superduty.

  • 100% new components and direct bolt in case.
  • OEM Denso Regulator
  • Balanced rotor and 0 run-out slip rings to improve unit life and reliability
  • Heavy duty 12-80A diode twin rectifier plates
  • Improved air flow to ensure long service life in severe conditions
  • Koyo HD and NSK USA bearings.

This unit is suitable to support major audio component upgrades, lift pumps, lights, winch, etc.

If you select custom powder, be sure to specify your request in the order notes.  No Candies.

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Additional information

Weight 17 lbs
Dimensions 12 × 12 × 12 in



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