Well, there is definitely a special tool that you can buy:
Whole Video (skip to 3:04)
[ame]http://youtu.be/XigfMHXJ8Gs[/ame]
However in my experience for the coils (which is what the thread is mainly about but has grown to include spark plugs) you do not need this, particularly for #3, which I did yesterday in ~20 minutes with just a 10mm socket, a ratchet and my fingers. I didn't move or jack anything.
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Setup 1: KW C38, Grams 550, Grams 265, 4bar, FlexFuel, Delicious
Setup 3: JR C30, DW 700, Grams 265, 3bar, FlexFuel, Moto-East
Setup 4: JR C30 HBP, DW 700, Grams 265, 3bar, FlexFuel, Church
Setup 5: JR C30 HBP, DW 700, DW 300, 3bar, FlexFuel, Delicious, Built Motor
Setup 6: JR C30 HBP, DW 700, DW 300, 3bar, FlexFuel, Delicious, Closed Deck Built Motor