These were for the 66 barracuda.. There is also a set in the Brown box that people could order. These were dealer sets only. I have 2 and have only seen 2 others.. This is the rare set..
And yes the back bumpers are missing.. The item "Vintage STROMBECKER CHRYSLER BARRACUDA slot car racing set 132 DEALER" is in sale since Tuesday, January 28, 2020. This item is in the category "Toys & Hobbies\Slot Cars\1/32 Scale\Pre-1970". The seller is "canamericanantiques" and is located in Martensville, Saskatchewan. This item can be shipped to United States, all countries in Europe, Canada, Japan, Australia.