It would be your knock sensor, it'd be your cam position sensor.

Move it counter the cam's rotation 1 degree will give you 2 degrees of ignition advance...

...I think

"Does this part need to be in there?"

1996 Dodge 1500 single cab / short bed, 5.9 4x4; 2" lift (springs not blocks), C.A.I and more mods to come.