I say NA, cause I feel that money would be better spent on suspension for scca. smooth & persice driving will get you alot further than brute force!
, just ask WD40
, I've seen him run down some pretty fast cars on track! and he's mostly stock svtf
btw, tires make a world of difference too! just watch out, cams will put you in SM ! like me..ooops , guess i'll have to just drive faster wooohoo 1 month to go