on the tip of the plug it means you have bad piston rings in that cylinder.
The Jeep 5.7L V8 HEMI engine has 16 spark plugs (2 for each cylinder)
2 spark plugs per cylinder.
The Dodge Hemi's have 2 spark plugs per cylinder which equals 16 spark plugs
You will need 12 bocsh spark plugs. These engines have 2 spark plugs per cylinder.
There are 4 (CR8EH9) plugs; 2 in the front cylinder and 2 in the rear cylinder.
They had 2 engines available, a 2.4L 4 cylinder which would have 4 spark plugs and a 3.4L V-6 with 6 spark plugs.
This vehicle is equipped with a 3.8 Liter V6 and as such it has 6 spark plugs. Almost always their is 1 spark plug per cylinder. There are however exceptions. There are some Ford 4 cylinder engines that have 2 spark plugs per cylinder. There are other exceptions.
16, 2 per cylinder
Spark plugs
Two cycle (two Stroke) engines generally have one spark plug per cylinder. So a four cylinder, 2 cycle engine will have 4 spark plugs.
4, one for each cylinder. There are also some engines, (for instance, the early 1980's Datsun 2000R, 2200R and 2400Z), that have 2 spark plugs per cylinder.
Because your 4 cylinder has ( 2 ) spark plugs per engine cylinder , a total of ( 8 spark plugs ) with Fords twin plug ignition system