thay allow you to run more coil and still lay the sameOriginally posted by MINT'Z@Dec 15 2008, 05:54 PM~12438037
are they a must whats the purpose over regular cups
DAMNIT !!! YOU BEAT ME TO IT !!!!Originally posted by nyd40cal@Dec 15 2008, 06:32 PM~12438498
deep cups are good to use in the front, they help keep the spring from poppinout.