Randalls Rack is a manufacturer of vintage Mustang rack and pinion conversion for 65-70 Mustangs and Cougars.
Randalls Rack manufactures an after market Power Rack and Pinion Steering System for your 65-70 small block Mustang and Big Blocks with stock exhaust manifolds
They say:
Our system Can be used with or without your old existing pump. All lines are included in our kit to connect to your original pump.
Phone: 1-877-500-RACK (7225)