64 Dart Gt 4 speed won’t shift into gear ??

Next to last pic looks like disc is facing correctly, hard to see the offset from that angle, what type of disc is that? It looks awfully thick....
Is a 9 1/2
Next to last pic looks like disc is facing correctly, hard to see the offset from that angle, what type of disc is that? It looks awfully thick....
it’s from park geeks it’s the 9 1/2 I think