HERE IS A PAIR OF PARK BRAKE STRUT BAR SPRINGS FOR 9 1/2" SHOES 

THESE FIT ;THE CARS LISTED IN THE EBAY GUIDE

THESE SPRINS ARE OVAL AND FIT ON THE END OF THE PARK BRAKE STRUT BAR BETWEEN THE SHOES JUST UNDER THE WHEEL CYLINDER

THE SIZE IS   1/2" I.D. X 5/8"  I.D.  X 1 INCH LONG