first off - wrong section - this is a tech question... moved
Sigma lca's - yes thy give you -6 os so camber - completely usless mod if you do not have camber tops to adjust it to suit what you need.
Camber tops and decent suspension is what you need up front.
1. running sick camber for no real "race,drift, driving" purpose is laugh able
2. if you are needing to pull in the wheel to meet what you want - camber tops and run -1 or -2 camber