Make sure you replace the alt to battery cable.
These deteriorate over time and fitting a 90amp will have no benefit unless it's done.
I used 170amp cable and crimped on ends and heatshrinked them.
I also uprated the ground cables from the battery to aid charging and help powering the amps I have.
Paul
Last edited by costina; 22-08-2018 at 10:48 AM.