Brake upgrade on '93 Griffith 430

[TVRVixenV8]

Hello,

does anyone know something about using these brake upgrades on an early Griffith:

http://www.ruderacing.co.uk/product_info.php?produ...

or

http://www.rallydesign.co.uk/product_info.php?prod...

I'm thinking about an upgrade but i like to use my 15" Camille Gottis and not any bigger ones.

Kind regards
Axel