8 3/4" narrowed rear end

What is the width? Flange to flange?
Housing flange to housing flange: 46 1/4"
Axle flange to axle flange: 51 1/4"
Perches center to center: 28", 3 degree downward pinion angle.
Axles are large brake drum hole, 5x5 pattern, extra holes for 5x5 1/2 pattern.