This is a post mount bolt set of Grade 5 Titanium bolts
There are two post mount options
1) 3 bolt that has 14mm hex head bolts in M10
2) 2 bolt that has 17mm hex head bolts in M12
if your post Mount bracket isn’t threaded and takes nuts at the bottom to hold the mount to this bracket you can NOT use the is kit. Order the correct length bolts for your EF/DA chassis engine