l92 freeze plug
 

hey i just put my build back together and i noticed i need a freeze plug of some sort to go in my head to prevent leakage of coolant.... need to know what size to get or what do i need to get... i need it asap so local part store parts are a must right now

Should be the same threads as your coolant temp sensor take it out if you already have it in and get one that size....easy enough...