Ron. They are metal. don't think soaking them would help much. Chris, they are metal, right?

Edited July 29, 201014 yr by rtaylor

Randy,

They are the metal caps from Summit. I will be heading up north to where my car is this week end so I will give them a go and see if I can get them to fit. I'll measure the centre hole on the wheel just to make sure I didn't screw things up.