Next Level! New Mass-Produced of Russia Su-57 will be with Stealth Engines

The insider further mentions that beginning in 2024, all Su-57s rolling off the production line will boast stage two engines, often referred to by their code name “Izdeliye 30”. This engine has been under development and rigorous testing for the past three years. Initially, the engine was dubbed AL-51 and subsequently had an updated version, the AL-51-F1.