low rearend

i love it it looks mean i would like to put one on mine i have a 72 scamp with .030 over 360 forged speed pro flat tops purpleshaft cam torker 2 340 intake ported and polished and blueprinted 340 x heads by hensley racing 750 hp series holley ,msd pro billit dist. 6al box and a NOS super proshot running through a 904 manual reverse valve body tranny backed up by a 8 3/4 with 5.13 gear on a strange spool.... Still needing a 3500 Tci stall to tie it all together