If the 41 trans is open drive and you have the original driveshaft and it is the right length now, just get a u joint that matches the driveshaft and the other side matches your rearend. Marv
41 pickup is closed drive shaft, 42 started open shaft. If you get a 42 ****** and convert the rear to open drive, Speedway and Hot Rod Works have the conversion kit to for the banjo rearend, easy.