Ever see this before?
Sinstered iron disc,no clue the was a problem was working fine.
No heat marks.
Just looks like the facing never bonded?
Any experience?

5756517-disc.jpg (106 downloads)

70` Cuda`,440 6BBL Jerico,Dana 4.56 Still on 93 Pump Gas
9.87 @ 136/1.31-60ft.`09 Mopar Nationals PASSON PERFORMANCE "Stick-Shift" Champ!
2013 StickShift Challenge Winner@ Mopar Nationals!