Simple Question - Brake Line Chassis Fitting

[GoaterAz]

I purchased Wilwood Flexline 220-11372 to pair up with my Wilwood D52 calipers. I opened an existing hole in the frame to 5/8" for the chassis fitting to go through and it doesn't look like I will be able to fit the clip onto the fitting to secure it.

Do you think it will work if I just pound that clip in? (It doesn't look like it will but I'm not sure if these are suppose to bend etc)

I was also thinking about taking a cutoff wheel and 'thinning' the frame around the hole (inboard side).

Any thoughts or guidance is appreciated, Thanks!




Here is an outboard picture just for routing reference: