Knucklehead Front Exhaust Rocker Arm Shaft. USA Made. 17441-39. 36 - 47

Knucklehead Rear Exhaust Rocker Arm Shaft. USA Made. 17444-39. 36 - 47

Knucklehead Rear Intake Rocker Arm Shaft. USA Made. 17438-39. 36 - 47

Harley Davidson Eastern Kicker Starter Shaft 33096-54 Shovelhead Knucklehead

Knucklehead Rocker arm shaft rear exhaust boxX

KNUCKLEHEAD "NEW REPO" 1936-47 (4) ROCKER ARM BALL STUD #17425-36

Harley Davidson 4 Speed Kicker Cover Shovelhead Ratchet Top Flh Fl Needs Repair

1941 Harley-Davidson Knucklehead Cylinder Head Front Rocker Box, Shaft, Arm