Insert 4" x 6mm or 1/4" locking bolt in rear balance shaft to hold, and carefully install on forward balance shaft/sprocket. It is a bit tricky.

good luck

i did end up getting it after about 100 tries...lol but still wants to shake like crazy when in drive...so im just gonna sell the whole thing for 1000 obo on craigslist..and cut my loss..i mean i was givin a truck over the weekend anyways