diff housing posts?

[tha5150]

broke off my screws that hold the diff housing. when converted to brushess, 2 hold diff and 2 hold motor mount. these 4 tie it in securly. i have tried and trie and tried to get these broken screws out and no luck.. my question is, i have a Hyper 8... will the hyper 7 posts fit? also, what size screws go in here?




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