8 3/4 500.00 obo

i have a 8 3/4 rear it is a body length but was used in a challenger drag car has a 4 or link or ladder bar bracket setup not sure because i dont know much about drag cars. it is complete except for brake drums has a 489 center with 2.76 gears asking 500.00 obo also has a back brace can located by springfield,mo will deliver within a certain mileage