Age 40s
Sex Male
Car Unknown
Japanese Voice Actor Yasuyuki Kase

Eiji Kubo (久保 英次 Kubo Eiji?) is the Chief Mechanic of Sidewinder. Kubo appears to have a high amount of knowledge about a car's performance and capabilities as well as race theories. He can make very precise anticipations as he did during Project D races against Team 246.

As seen in the manga, Kubo has been entrusted to analyze and evaluate Project D's weaknesses.


  • He owns a car shop.