Interesting, I'm a Red Line user on and off. I have also been using the Ravenol products. I hear they are held in low regard on this board. I speak no Russian and the Google translations leave a lot to be desired so any response is appreciated and the more basic the translation the better. Thanks!
https://www.ravenol.de/en/product-range/rallye-racing-oils-usvor-1/ravenol-rup-sae-5w-40/