I can tell you that Ace has them and that they are almost identicle to real ones...forget the size but if you go look at the rivets on the hook it will be pretty obvious due to the large head.

'69 Hemi Charger 500, ‘70 U code Challenger R/T
(These and a bunch others at www.dkowal426.com)

P.J. O'Rouke: "The old car ran perfectly, right up until it didn't."