340 in early abody

i just bought tti's headers n exhaust system for my conversion . 340 6pck 4spd in a 64 cuda 273 4 spd , my issue is clutch , i've got a 10'' single disc in it and the 318 made it junk , the 340 would be even more power to control . there is a 10'' double disc setup by weber , right ? or do i have to get this custom built ? i've seen this aircleaner used on early a bodies to clear the hood risers torsion bars . DSC00941.JPG DSC00942.JPG DSC00939.JPG