Originally Posted by lostdog
I took it off today and it was double h. E. L. L.
The OE balancer hub is like 1.75” thick and the ati one is 2.5” and the distance from the seating surface to the face of the hub is different so it definitely will NOT work for what I need it for

I made this comparison from a stock Chrysler damper (440) that I measured.

ATI_SuperDamper_compare.jpg
1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1