Quote Originally Posted by Dave Severson
289's and 302's are 1/4", 351W's are 5/16". Mine are store bought primer rods, had em for awhile, think when I got them they were about $10.00 each....which I suppose means now they're about $200.00!!!!!!

The socket thing works great, too. Always used that method till I found the primer rods I have now for cheap....
Hey - I got one of the big buck ones for my 5.0 - complete with top mount bushing. It isn't any better then the one I made from a big Allen bolt from my scrap bolt box for my 351W