All my irons have a scratch in them that you can catch your finger nail in. Heres a picture, do you think i can just get it lapped and ill be fine? Id rather not fork over more money...
I will get better pics tommorow

 

What are your plans for the engine? It is very likely reusable.

 

11psi, large street port, 720cc injectors walbro fuel pump fmic. Thats about it i wanna make like 270whp