The Summit stuff says C10.
You need C30 stuff.
Did you look at the link I posted?
(
http://www.summitracing.com/search/Y...?Ns=Rank%7cAsc)
This is the Western Chassis C30 flip kit (with a bolt in C-notch).
http://www.summitracing.com/parts/WST-211626/
The one you posted from "gcustoms.com" is a DJM Flip kit without a c-notch.
I would use the Western Chassis version!