Engine sprocket nut and lock tab kit.
Nut has a 7/8-14 thread.
Fits:
FL 1955-1969
UOM: KIT
Country Of Origin: TAIWAN
Suggested Items: 12-0504 – Engine Sprocket Nut
Accessory Items:
16-1378 – Shaft Turning Tool
12-0504 – Engine Sprocket Nut
16-0130 – Flat Type Compensating Sprocket Wrench
17-9934 – Fold Out Kick Starter Arm Chrome