OK guys .. dont even ask how i did this lol. but i need a new 12' stainless nitrous line for my car. but i dont know the AN fitting size on the ends and i dont wanna order the wrong line as no one sells them locally. I have the NOS kit and i need the line that runs from the bottle to bay. anyone familiar with this?? i hope so .. plz help

Take a measurement and convert it. Get the closest inch measurement you can.
a -2 hose has an I.D. of 1/8" [306 only]
a -3 hose has an I.D. of 3/16"
a -4 hose has an I.D. of 1/4"
a -5 hose has an I.D. of 5/16"
a -6 hose has an I.D. of 3/8"
a -8 hose has an I.D. of 1/2"
a -10 hose has an I.D. of 5/8"
a -12 hose has an I.D. of 3/4"
a -16 hose has an I.D. of 1"
a -20 hose has an I.D. of 1 1/4"