focus stroker kits

I want to find a stroker kit for a 2003 focus, but so far I haven't had much luck.

I've found one, crower makes it and it costs about four thousand dollars. Anyway just wanted to let everyone know. Ithink that its to much money but thats my opinion.I'm going to just buy the full race head,injectors,intake,pistons, and cams from focus-central. Anyway let me know what you think.