i have like a 5 page write up on it... if u need it post ur email.... but this is very easy to break... ull snap a couple more than likely also depending on where u are i know a kid who can do it.. he stays in bradenton.... but from racing my friends s13 hatch with an s13 ka vs my s13 coupe(200lbs lighter) with s14 ka... hell beat me by like 2cars... everytime...the cams make a difference in s13.