yes.
16, two per coil
.044 gap
They are under the coils, which are between the valve covers and the intake.
They are under the coils, on top of the valve cover.
The hemi has sixteen spark plugs.
The torque specification is 13 foot pounds or 130 inch pounds for the spark plugs on a 2007 dodge caravan 3.3 liter
look in the owners manual for that info.
you have to remove the plastic covering on the engine and then you will see where the plugs are, the coils rest on top of the plugs.
diesel engines do not have spark plugs. they fire on compression. so there is no gap.
A 2007 Toyota Prius has 4 spark plugs.
i may not b the best at that subject but i plugs into the transmissin pretty much