Where are the spark plugs located on a 2007 Nissan Titan?

On a 2007 Nissan Titan, the spark plugs are located on the engine's cylinder heads. For the 5.6L V8 engine, you will find them beneath the ignition coils, which need to be removed to access the spark plugs. They are positioned towards the top of the engine, making them relatively easy to reach once the ignition coils are taken off.