need b16 driver side dual post mount

[dx-r]

hey i have a b16 for my ek, but the driver side post mount is missing the 2 bolts, that face upwards, just wondering if i can just get the 2 bolts from my d16y7 post mount, or even better can i use my d16y7 post mount and bolt it onto the b16

 

[civiclxb16]

if anything get your self some grade 8 steel bolts and call it a day, but i am sure you can use your d16 bolts the only reason why i know is because i did