Visit my website for this and other great finds from yesteryear.
 
ZUIKO Timing Gear TTG52 - in original box
 
 
A metal crank gear with a diameter of 15.5cm and thickness of 2.5cm.
 
It is sealed in the original plastic bag and has never been used. The metal has some discoluration.
 
It is made in Japan.
 
It has Holden Red 6 written on the box in pen.