As far as Bang for your Buck goes you CAN'T go past a set of
ratios for your GTO, A VERY popular conversion here down under
we wouldn't go a week without doing one we have listed all ratio's
available however 3.91's are the go if you want maximum effect.
The prices given here are in USD and do not include freight I
can arrange freight for you or you can do it your self its up to
you we can do it either way you like, Also required is either
a Minor install kit or a Major install kit see the
Installation kits
section, If you want to order go to the
Buy Online Section
.