This is the version 3 linkage kit upgrade that includes Pedal Post, Lower Swing Arm, Pedal Post Connection and Pedal Post Set. Kit includes all parts and hardware for both side of the machine. 

Identification of this kit can be noted by the chrome ball joint on the pedal arm ( old style was black) and the large angle iron brace on the rear pivot arms. 

Installation Video can be found HERE.  Or copy and paste the following address into web browser:

https://youtu.be/uGiWqL_W83k