Well Crane, Crower, Esslinger, and Kent make cams for the Zetec...but for the Focus. They should work with the Contour though.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ