Originally Posted by Duobarton

Does anyone have the part numbers for the bell housing and the flywheel mentioned above I cannot find them anywhere. I would really hate to have to get rid of my current clutch just to get a new one

Originally Posted by garys 68

Not sure which post you're referring to. But pn for the 621/sachs combo here:
https://ls1tech.com/forums/conversio...-ls-motor.html

Originally Posted by 52 Rat

I finally came up with a way to use my LT1 T56 and not change the front cover and input shaft. I ordered a Quicktime bell housing, LS aluminum flywheel, LT5 pressure plate and clutch disc. My brother drilled the LT1 pressure plate bolt circle in the LS flywheel by indexing in the mill. Now the LT1 pressure plate will bolt up to the LS flywheel. This allowed me to retain the LT1 style clutch set up, i.e. clutch fork, release bearing, clutch (LT5 style, no springs), etc.