yep, thats 70 splines.

1988 Ford Bronco photo Rusty rear differential with a black cover and some red paint visible Close-up of a rusty wheel hub with lug nuts and a tire with visible text Removed rear axle assembly and driveshaft lying in a Chevrolet truck bed 1988 Ford Bronco photo 1988 Ford Bronco photo 1988 Ford Bronco photo 1988 Ford Bronco photo Gloved hand holding a rusty drum brake backing plate assembly in a workshop Worn axle shaft and parts laid out on a wooden workbench in a garage Dana 70 rear axle housing and hub assembly secured with orange straps in a truck bed close-up of rusty wheel hub assembly with visible bearings 1988 Ford Bronco photo 1988 Ford Bronco photo 1988 Ford Bronco photo 1988 Ford Bronco photo 26photos in this albumView all

Mud-covered black Ford Bronco with white hardtop parked at a dealership Dark blue Ford Bronco with tan trim and a tan roof, parked on a wet street. It has a roof rack Teal-green full-size Ford Bronco with no top sitting in tall grass, rear three-quarter view Rear of gray topless Ford truck with roll bar and off-road lights on a dirt lot Dark blue Bronco roof with chrome roof rack and silver wind deflector, garage and stone wall behind Mud-covered 1990 Ford Bronco, 3q-front view 111,162photos in this generation1987-1991 Bronco