Spark Plugs??

i need some good performance spark plugs for N/A motor? any suggestions??

A a lsx motor?? Stay with stock iridiums, don't change them!

+1 stock plugs

ACDelco 41-985.

under 11.0 compression NGK TR55

will i get better performance out of those Quik

NA i used the NGK tr-55

what should they be gapped to?

Not gonna get any gains from a plug. You would have to upgrade to a better coil and wires. Even then, any gain would be minimal.

Coils are good to very high power levels. Wires help some I guess. The resistance of quality wires is a lot less than OEM but gains are minimal. Plugs and coils only show big gains if there is something wrong with the ones you have (N/A).