My car is a stock 383 with a real air grabber set up from the factory, but I’m using the 69 air grabber based instead of the 70 because I think it looks better stock manifold with an Edelbrock carburetor and it fit just fine. I swapped out to a sniper being that the sniper is a little bit higher. I took the plate to a machine shop and I just cut a quarter of an inch off of the bottom and now it sits on top of the sniper with a small little supplied cork gasket, beautiful