I am making a two part stock style underside for my hoods and i need to know what this stuff is so i can buy it and use it -Derek

 

it is a two part epoxy. any automotive grade will do. but the ahrd part is getting the beams to touch the underside of the hood so it will bond. What i did is put the hood upside down in the grass on a blanket. then I took 2x4s that were long enough to toutch most of the beams but short enought they didn't touch the side. then I put cender blocks on them to force the beams to touch. I let it sit there for a day and all was well.
good luck