help me choose rear leaf springs

[426 dart]

i have a 70 swinger witha mini tube and leafspring reloacated to the frame rails it was a /6 car soon to have a big block wedge installed im going for that lowered pro-touring look ....i have the calvert split mono leafs in mind along with cal tracks ...am i headed in the right direction ? any and all input would be appreciated......Thanks

 

[pettybludart]

Calvert sells different rated springs(plus1 inch,zero,minus1)they also sell lowering blocks for the tucked up wheel look.

 

[Snake]

Shackellsssssssssssssssss and be done with it.