CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Left side flipper assembly torsion return spring.
Used on Williams, Gottlieb, Chicago Coin Machine, and other brand electromechanical pinball machines from 1955-1977.
Reference:
A-3329 right sideA-3328 left side10A-13610-136