Does anybody Know the bolts or any other hardware that are used for mounting the Cowl induction Door to the hood, I see for bolt whole on the inside of the door but I dont know what lentgh or size i should use, or maybe spacers are involved too im not sure, Thanks for the replies guys

there is a special bolt with a shoulder on it that acts as the pivot for the door. Year one and NPD have them, and I'm sure our sponsor does also. Or do you mean the bolts that bolt the door hinge plate up to the hood? I used a set of body clips and bolts to fit that I got a lowes. Don't know the size, measure the amount of room between the inner and outer skin and size accordingly.

I meant the the bolts that bolt the door hinge plate up to the hood. I was wondering if anybody knew the size of those, it would be great if I could just go pick them up at lowes

The bolts to attach the inside flap are 10-24x1/2".

The bolts to attach the solenoid bracker are 1/4-20x9/16", which is also the same for the flapper bracket.

You will also need washers to adjust the height of the door.