The Kaaz 2 Way Super Q Differential for the Nissan Silvia S15 with an SR20DE engine is a high-quality aftermarket part designed to enhance the transmission and drivetrain system of the vehicle. Manufactured by KAAZ, this differential assembly (SAN2610-WPC) offers superior handling and performance, making it a popular choice for car enthusiasts looking to upgrade their vehicle's drivetrain components. Its open and helical design allows for more flexible and responsive driving, catering to those who value precision and control while behind the wheel.