J2 Fabrication Denso Hairpin Extreme Output 2005 – 2010 Mustang GT


The J2Fab 6 phase hairpin alternator is our premium offering.  Rated at 270A these 6phase units offer greater idle performance with a higher efficiency than any other option for your 3V Mustang. Direct replacement for both the 05-09 cars with an OEM motorcraft, and the 09-10 cars with an OEM 150A Denso.

  • 100% new components and direct bolt in case.
  • Custom rotor/stator to decrease air gap to improve idle output.
  • Balanced rotor and 0 run-out slip rings to improve unit life and eliminate battery light flicker.
  • Heavy duty 12 diode twin rectifier plates
  • Improved air flow to ensure long service life in severe conditions
  • NTN premium and NSK USA bearings.

This unit features an OEM diameter pulley that is suitable for stock and over-driven balancers without an RPM limit.

270A unit requires big3 upgrade for all 3V models.

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Additional information

Weight 16.5 lbs
Dimensions 9 × 9 × 13 in
Add Black Powdercoat

Yes, No

Big3 Cable Kit

Yes, No