Bolts
 

so the holley LS swap kit calls for 7/16-14 X 5 1/4 grade 8 bolts. I have reached the end of the internet and all I can find is 5" or 5 1/2. I know the 5 1/2 will work but i was wondering if anyone knows a good source for these uncommon size bolts. thanks

McMaster-Carr has them
http://www.mcmaster.com/#standard-cap-screws/=14ibwu1

Sweet thank you very much!!!

Aircraft bolts are available in many lengths too. Try aircraft spruce.

Try a place called Smith fasteners in Huntington park/bell, California. Super cheap and only sell American made hardware. They will have it for sure and way cheaper than McMaster or any other vendor because they are the vendor to the big companies like McMaster. That's where I get my stuff from.