My issue is i am not the most clever person

I have a track day next Thursday and would love to have the seat in for that.
It appears to fit, shoulder wings will be tight against door but i think i can slam it shut.
Also happy enough to trim the shoulder a but with a angle grinder if required.
This is the seat.



It is side and bottom mount.
Happy to use either.
I even have a set of OEM rails if that is possible somehow to get it going?
Could retain a little sliding action that way.
Any help much appreciated!!!
Would be happy to pay someone if they could get something decent going for it?
If the Pro2000 ends up working i would then look at buying a better condition one as the seat seems like a perfect fit for me.