We offer Cummins swap adapters for the Ford ZF6 transmissions used from 1999 to 2008 . These come in two types , the 7.3 bell-housing in 99-02 trucks, and the 6.0/6.4 version from 03+. The 7.3 model will require a crankshaft spacer but the 6.0/6.4 one does not .
As far as flywheel for stock up to 350hp builds you can use a LUK LFW300 flywheel modified for the correct input shaft bearing.
They both use the 1.375 input shaft So there are a lot of clutch options .
LUK 07168 clutch part number being for fairly stock engines
LUK 07181 is a Cerametallic upgrade clutch for engines that are turned up 250-350hp or heavy towing .
ANYTHING over 350+ hp recommend just buying a clutch and flywheel conversion package from SOUTHBEND
Pricing is $600 shipped for 6.0/6.4 Zf6 , and $500 shipped for 7.3 Zf6
We offer both these Adapters to fit 03+ Cummins CR (common rail) engines also . They are currently special order and are $750 each .