Looks like the cup interferred with the rocker. Hard to tell by the pictures. but worth a double check. I have a set of used dove rockers collecting dust you can have one for free if you like. just pay shipping John
1970 Land Cruiser, 351w, NP435
(locked up front and rear)
1965 Galaxie, 428, C6, 3.89 gear,
Detroit locker
1979 Spectra Day Cruiser
stock 350ci Brand X, Mercruiser..53mph on GPS