They'll fit under a Duster with stock 14" wheels, the track is about 3" wider so about 1 1/2" per side.

We didn't have any perches so we made em' out of 2X3 box tubing , used some old 8 3/4 shock plates & went to the parts house & got new U-bolts.

Had to get the car back on the road!

Butch