Denso Hairpin High-Output 1999-2004 Mustang GT



Rated at 185A peak these units offer greater idle performance (up to 140A) with a higher efficiency than any replacement 3G/4G/6G based unit.

When compared to our 1st Generation J2Fab-200A 6G this unit has an idle output 27% greater, will reach peak output 50% sooner, and will hold its peak output longer making it superior to the old J2Fab-200A and any other 3G/4G/6G center mount unit in every practical way.

Ideal for cars with high draw from fuel system, A2W trunk mounted pump, H/E fans, stereo, or OEM 2Valves just looking for an upgrade/replacement with much greater longevity and resistance to overheating!

Customers running a combination of fuel system, Stewart EMP, electric WP, H/E fans and more, please consider upgrading to the 270A Extreme version for your application.

  • 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 will ship with a similar to OEM sized pulley that is suitable for stock and over-driven balancers. No RPM limit.

185A J2Fab units for your 2V Mustang require Big3 Upgrade.

Unit is a direct replacement.

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Additional information

Additional information

Weight 16.2 lbs
Dimensions 13 × 12 × 12 in
Big3 Cable Kit

Yes, No

Black Powdercoat

Yes, No

Refund Policy
Due to the custom and many times built to order nature of J2Fabrication products we have an all sales final policy. Standard lead times unless otherwise specified on the product page or in discussion is 4wks. Any refund request granted is on a case by case basis at the discretion of J2Fab and may be subject to a 25% restocking fee. Orders cancelled before shipment are subject to a 15% cancellation fee. If you are looking to return a product for warranty work or maintenance, please email [email protected] with “RMA Request” in the subject line.