The old TRW's had some. The 2416 (for 351c) had a .080 deep dish for -8.5cc and the 2414 (for the 400) had a .135 deep dish for a -14cc. These are the same forgings as the 2379's. I have a set of 2416's or you could get 2379's and have a dish cut in them. Wouldn't cost much.