If its hooked up to the original trans you most likely have the original bellhousing which will work good with the 37 clutch parts if they are still being used,if it has the original clutch parts and want to use the 38 and up clutch parts you can with the 37 fork but will need to weld on fingers to use with the newer throw out bearing. I would recommend using the 38 and up clutch parts since they will be cheaper and easier to find and would recommend finding a 38 to 46 bellhousing,pedal and linkage so it will work better with the later clutch parts and will need to come off a 1/2 ton since I think there are some difference in the 3/4 and up with the pedal and master cylinder mounting.
