getting ready to get pi heads from jegs. i know i need a head changing kit. what i dont understand is what an oil galley plug kit is. it says the swap requires it. any idea what this is and how hard is it to have to fuuk with these?
http://www.jegs.com/i/Dorman+Products/326/10233/10002/-1
http://www.jegs.com/i/Dorman+Products/326/10233/10002/-1