AF3620R John Deere Pony Motor Rocker Arm For 720, 820, 730, 830

John Deere Pony Motor Rocker Arm. It Is Not Cracked, Bent Or Broken. It Is Part Number AF3620R. It Will Work On 70 But Does Not Have The Correct Adjusting Screw, 80 But Does Not Have The Correct Adjusting Screw, 720 Up To Serial Number 7214899 But Does Not Have the Correct Adjusting Screw, 820 Up To Serial Number 8203099 But Does Not Have The Correct Adjusting Screw. It Has The Correct Adjusting Screw For 720 Serial Number 7214900 And Up To The End, 820 Serial Number 8203100 And Up To The End, 730, 830