Bolt-thtu Mounting kit
 
 
 
GF-104 BTK

Upgrade to GTX460/GTX560

Compatible with HR-03 GT/HR-03 Plus/Spitfire

 

GF-100 BTK

Upgrade to GTX480/GTX470

Compatible with HR-03 GT/HR-03 Plus/Spitfire
GTX BTK

Upgrade to GTX285/GTX265

Compatible with HR-03 GT/HR-03 Plus/Spitfire
Six-Hole-Adapter kit

Upgrade to 7900GTX

Compatible with  HR-03/HR-03 Rev.A