So all the hype about pulstar plugs are true, recent dyno results on the 3.5 motor showed a gain of 10.4 Hp just from these plugs, There is a artical in Modified mag on a 350z roadster, numbers dont lie, but $25 a pop, is it worth it ?

 

1st
no.
this has been discussed before try searching for the multiple threads on it...
/thread