The J2Fab 6 phase hairpin alternator is our premium offering. Rated at 270A these 6phase units offer greater idle performance with higher efficiency than our standard Motorcraft 3phase units.
- 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. This pulley is suitable for stock and 2lb lowers. If you have a larger pulley or spin in excess of 7200rpm please contact us for pulley sizing.
270A J2Fab units require cable upgrade.
Link for cable upgrade install on 03/04 cobra – Cobra Big3 Install