[Coultl]

I have a little more info on the Audi/VW coil pack fitment. There are two reasons that the coils sit lower with the FR5DTC plugs vs the OE 3.2 plugs.

First the FR5DTC is a shorter plug by about 4mm. Second, the bottom of the coil is supposed to go over (and grip on) the hex on the plug but the OR plug is too large for this to work. The coil is then not able to be pushed down fully.

TLDR, if you want to use the Audi/VW coils, you need to use spark plugs with a 5/8” hex size.