4" to 4.5"

matthon said
SSBC has a drum to disc kit, which has both SBP and LBP holes.
The rotors look very similar to the Mustang ones.

http://www.ssbrakes.com/commerce/detail/index.cfm?nPID=8789

i knew this one but it still 4"" i am looking fo a kit where the bolt pattern change to 4.5"