Keith, you've piqued my interest.

----I'm loving this Riv! Has anyone ever seen triple red stripe tires??? I know I never have. Definetly cool. Kinda wondering if they are the triple whites painted red. 1966 Rivieras are my favorite, even over the beautiful 65's. 66 and 67 really show off a Bill Mitchell vibe!....Bill S

Bill: it appears to me they took this tire from Coker and somehow dyed the white stripes red. It is cool looking.

https://i.postimg.cc/7h1zMBpn/0a.jpg

It looks like they were standard on the 1966 Riviera:

https://i.postimg.cc/DzWbYf9Z/0.jpg

Or probably a custom application from Diamond Back Classics.

https://i.postimg.cc/Jns0zTrz/1969-chevrolet-impala.jpg

https://www.volocars.com/auto-sales/...evrolet-impala

Unknown if it's a real L72 Impala Convertible. You be the judge. Does that rub strip look too high? Don't they put them right on the Belt Line of the car?

A friend of mine's father (and him) were big Riviera guys - had one of every year from 63-73 at one time. Those 67's have a "drum style" speedometer. It was fun doing hole shots in high school to see how fast we could get the drum spinning:3gears:
I think all of them have since been sold off except my friend still has a 73 GS Stage I car.

https://i.postimg.cc/rFsDnwXr/mercury-cougar.jpg

On September 30th 1966 the Mercury Cougar goes on sale for the first time. The wire wheel covers are 66 versions as no more spinners allowed beginning 1967 model year.