I've got bins in the back but I want to use the seat belt mounting hole for what would be the back seats to hold down my surge tank. I can't seem to find a bolt that fits right. Anyone know what size that bad boy is? Thanks.

 

hmm well the holes are certainly 1.25 pitch, but they aren't M10 or M12, so I guess they are M11. Good luck finding that bolt. Guess I'll use a long M10 and bolt it through the hole