Does the computers/tune which Mace offers able to be reflashed to suit the Cams to suit high ratio rockers?

Assuming that you're referring to our ecotec high ratio rocker cams, as shown in the link below, then we can supply a computer/tune for only the Stage 1 cam:

http://www.maceengineering.com.au/epages/shop.sf/en_AU/?ObjectPath=/Shops/mace/Products/CAM607/SubProducts/CAM607