I have a stock set of heads off my 99 z also stock cam timing chain throttle body manifold make me an offer I am looking for a built T-400 with all the parts and peices to convert my t-56 over I would be willing to trade the whole t-56 setup for that (clutch flywheel crossmember etc.) and I would also sell my stock 10 bolt ,(in need of 9") make me some offers see what we can do

 

Psst, interested? Not a th400 but better imho

https://ls1tech.com/forums/eastern-classifieds/962536-wtt-my-built-2004r-ls1-t-56-a.html