It's funny...this whole interior re-work project was done basically so I could run 5 point harnesses... New seats, new roll bar, everything...and the last thing that is going in is finally in...the harnesses.
I ordered some Flanged Alloy Socket Cap Screws, M12 Size, 50MM Length, 1.75MM Pitch and some Nylon-Insert Nonmarring Flange Locknut, Zinc-Plated Class 8 Steel, M12X1.75 Thread Size nuts and was able to use them to fasten the new lap belt brackets and the factory seat belt brackets to the factory holes in the floor. The bolts were long enough that I was able to put the lock nuts on the back side of them to prevent any loosening and give an extra sense of security for the driver. The hole in the lap belt brackets was just big enough to let the bracket swivel on the bolt to desired proper angle.
This is the driver side rocker panel attachment of the harness lap belt outside the carpet and the factory belt bracket under the carpet.
Bad picture but here is the trans tunnel attachment, you can't see the factory belt because it's behind the black harness lap belt.
And the shoulder belt attachment points.
One of the brackets I needed for the submarine belt is on backorder so I haven't installed them yet. I can see the need for them though as I noticed when I was sitting in the seat and pulling the shoulder belts tight, the lap belt pulled up from across my hips into my abdomen. I'll get those in when the bracket gets here...shouldn't be a big deal.
Can't wait to see how the new belts and seats hold me in position better when out on course...this Saturday!!!