For the spur drum ONLY is pt# 1114 640 2000
!4" sprocket tip bar is pt# 3005 000 6409
FWIW, you will need a chain with 72 drivers, I usually buy from Baileys. It's also a good idea to get a few 1/8 dia files, they work best in my experience, especially on a new chain. My current supply is Total...