depends the motorset about 2K
upgrades depends on what kinda power you are thinking
1st thing is greddy rocker arm stoppers which are about 75-100 dollars depends where you go. they will save your head from having to be remanufactured when you get the high revs. I have help build several Sr20's so please IM me with your plans and i can stear you in the right direction to go for the parts and what you would need.