Dropped spindles for use with front 4x130 disc brakes on Balljoint suspension models. The standard disc brake backing plates can't be run with these dropped spindles. They lower the vehicle by 2.5 inches and increase the track by 1/2 inch per side. The track increase can cause problem if you are running wide front wheels
For pre 1968 model, the inner bearing will need replacing with 311-405-625\/E and inner tie rod ends with 311-415-811\/C and 311-415-812\/C
Lowers by 2.5'', increases the track 1/2'' per side.