help needed

yes the 1975 K will fit. be careful matching the steering components as the design changed in 1975. the ball joints and center link are different, also the pitman arm and the idler. I guess if it were me id just match the steering to whatever gearbox/pitman you have. {this only applies to the disc setup} Not sure on the tranny though.
thanks for the comment
i have donor 75 dart with all the front suspension
i just think to take it all the front from the 75 and put it in my 71