Installing a set of super stock springs

[Gator]

My question is on the front leaf spring bracket there's 2 holes which one should I use to mount leaf spring.front hanger is a mopar p4120081

 

[MiradaMegacab]

That depends on the ride height you're trying to achieve. The lower hole will raise the cars rear height for an aggressive stance. You can also use different holes to adjust your pinion angle.