I use 2" Hooker Supercomps on my 440/496 Edelbrock heads in my 71 Charger Superbee. I only had to ding a couple places for frame clearance and inner fender on the passenger side. I do have to use a motorcycle/snowmobile type sparkplug socket on #1 plug. You know, one of those thin sheetmetal stamped cheapies that come in a motorcycle tool kit....works great.