I was pretty confident they are LSC MarkVII based rear rotors. I have had a couple of the later LSC's and the rotors look visually the same as the 93R. I will say though that I never took the rotors off and compared them right next to each other.
These two rotors; the SVO vrs the 93R are not the same! SVO is 11 inches in diameter and the 93R is 10.5. The SVO rear brakes (Mostly the caliper - Their too big!) are a poor match for a stock 93R. The SVO is a better balanced car off the showroom floor while the 93R is nose heavy.
On a modifed for racing/open track 93R the SVO brakes would be a better fit. One of the reason my rear rotors never whore out was that I did upgrade the rear brakes after I upgraded the fronts. I went all Wilwood. The fronts were their 6-piston kit and the rear was a collection of parts that I put together my self. 11.75 X 1.0 inch rotors, custom hats, and Dynalite calipers. I kept this set up when I sold the car and will use it on a furture race car.