Deactivation and two-step roller finger follower having a bracket and lost motion spring

An internal combustion engine, comprising:

• a camshaft;
• and
• a roller finger follower, including:
• an elongate body having a first side member and a second side member, a first end and a second end interconnecting and spacing apart said first and second side member;
• a bracket having first and second sides, said first side being disposed adjacent an inside surface of said first side member, said second side being disposed adjacent an inside surface of said second side member;
• a roller disposed between said first and second sides of said bracket, said roller defining a shaft orifice therethrough;
• an elongate hollow shaft extending through said shaft orifice, said shaft having a first shaft end and a second shaft end, said first shaft end associated with said first bracket side, said second shaft end associated with said second bracket side, said shaft coupling said roller to said bracket;
• and
• a locking pin assembly disposed at least partially within said hollow shaft, said locking pin assembly having a first position wherein said shaft is decoupled from said body and a second position wherein said shaft is coupled to said body, said locking pin assembly being axially switchable along its axis (A) between said first position and said second position.