There is a difference between 60-68 park brake cable retainers ( yes 67-68 are the same as 60-66 ) and 69-72 park brake cable retainers. We'll have both styles available the 1st or 2nd week of November on our Brakes page of our website. Here's photos of the 2 different styles
60-68 Version Below
69-72 Version Below
Paul Jr @ GMCPauls