Rocker arm assemblies

A rocker arm assembly, comprising:

• a main rocker arm, comprising:
• a main body configured to rotate around a rocker shaft;
• a valve end extending from the main body;
• a reaction end extending from the main body;
• a latch bore between the main body and the valve end;
• and
• a bias pin extending from the main body;
• and
• a latch assembly configured to selectively rotate in the latch bore, the latch assembly, comprising:
• a first latch end extending out of the latch bore on a first side of the main rocker arm, the first latch end comprising a switch plate configured to receive actuation force on a first side and to receive bias force from the bias pin on a second side, wherein the bias pin biases the switch plate to a predetermined position;
• and
• a second latch end in the latch bore on a second side of the main rocker arm, the second latch end comprising a first latch seat and a second latch seat.