7 1/4 to 8 3/4 info needed

FoMoCo exploder (sport trak) 8.8 about $200 complete

Standard equipped in sport trak
BBP
3.73 gears
Locker
Rear disc brakes

I will be into my 8.75" rear for about $1,300 when done. Had i known about the exploder 8.8 out of the sport trak i woulda went that route.

Will be going sport trak 8.8 on my kids 69 cuda.