Originally Posted by downwardspiral View Post
I thought the brembo brake package was the 55d package, is it definitely a different spring?
Yes they are different springs then the "Base" GT setup, however people with the Brembo Pack call them the "55-D" springs. Ive heard guys with the Track-Pack option call them the "55-R" springs. It is just the reference to which Package you have....... But in truth, they are both the Same spring with factory Ref.# Br33-5560-G .....