I can't remember, did marko keep the lockup tranny when he had that built up? the clutch material may be from the lorque converter lockup clutch. I'd look at getting the best lockup TC you can find, one with a kevlar clutch.....

1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)