Murphy MP7905 Magnetic Pickup part no 20700160

MP7905: Magnetic Pickup, 4-1/2" total length, 4-1/2" threaded length, 3/4-16 UNF thread size.  (20700160)

The MP7905 Magnetic Pickup has a total length of 4 1/2 inches, threaded length of 4 1/2 inches, and thread size of 3/4-16 UNF. It replaces 20-01-0082. The leadwire hookup measures 12 inches (305 mm). Magnetic Pickups supply RPM data to a tachometer when mounted at the flywheel ring-gear of an engine.