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The Nissan RB26 engine stands as one of the most legendary powerplants ever produced by a Japanese automaker. Originally developed for the Skyline GT-R, this 2.6-liter inline-six twin-turbo engine earned global fame for its immense tuning potential and motorsport pedigree. Built with a cast-iron block, forged internals, and a robust bottom end, the Nissan RB26 engine thrives under high boost and extreme performance conditions. Its smooth power delivery, distinctive exhaust note, and mechanical resilience have made it a favorite among racers and enthusiasts. Decades later, it remains an icon of engineering excellence.