Here's the info for the new flywheel.

New replacement flywheel for 1967-93 BB and SB Mopar 318, 340, 360, 383, 400, and 440 with 6 bolt crank.
Utilizes 11" or 12" Clutch. Internal Balance 143 tooth 14 1/2" diameter ring gear.
•VPI: V2060
•OEM: 4431100 / 2843411
•HOLLANDER: 409-521/396/789
•MAKE: AMC
•TEETH: 143
•O.D. 14 1/2""
•CLUTCH: 11"" & 12""
•YEAR: 1967-1993
•ENGINE: 239/3.9L, 318/5.2L, 360/5.9L, 383/6.3L, 400/6.6L, 440/7.2L
•APPLICATION: Chrysler, Dodge Plymouth
VPI: V2060 OEM: 4431100 / 2843411