b16a2 SC4 bellhousing missing parts??? help

hi guys,
i have recently purchased a b16a2 complete engine however it was delivered with the gear box removed i was just wondering if there is anything i need to know about re installing it or is it just a case of bolting it on??
i have recently purchased a b16a2 complete engine however it was delivered with the gear box removed i was just wondering if there is anything i need to know about re installing it or is it just a case of bolting it on??