Sorry, I have been to the dentist multiple times in the last week, but my friend still has the 15x6 wheels I sold him in 1985. These are the same wheels I removed from a 68 New Yorker in 1974, and used them on my 68 until 1986. The other two Alan Bought out of a salvage yard in Phoeniix in 1986. They were also on a 68 Chrysler.
In additioin, a Bonus document is coming soon,9 (Alan has it, and is looking for it) showing they were offered in a actual 67 Dodge Brochure, and referred to as styled wheels, as His friend bought a brand new 67 Hemi Coronet in 67, and those wheels were on the car when he first saw it. You can see clearly motor wheel 4, and 7 for 67 and 15x6 K.
I also remember well in 68 seeing rows of roadrunners and bees on the lot with no caps, and factory road wheels being unloaded from a semi Truck, stacked up near the pickup area. the dealers hoped to up charge even 14 inch wheels. They would then keep the takeoffs, and the cap that had come with the car. So many, many new roadrunners were ordered with no road wheels, but sure left the dealer with them.