1969 RHD Plymouth Barracuda.

The 8 3/4 rear was an option, 7 1/4 SG was standard on 65-67 273 Commndo cars

Maybe it was just the UK 68-69 Barracudas that had the 8 3/4" SG? Every single one Ive came across over here (including a FB I had had them) There was a total of 650 RHD Barracuda's built for the UK Market. Those SG's sure kept people over here busy swapping them over to LHD cars. :D Rare as Hens Teeth now though.