Tuning quality transducer disc from Sondernitrierstahl with 2 different linear slopes . The use of a tuning converter is particularly rewarding in more getuneten engines because there often lies a very narrow power band and it becomes increasingly difficult to keep the variator just in performance speed . With the Malossi Torque Drive you have now a further adjustment , the suit and the acceleration improves noticeably. Comparison numbers: Neu & Originalverpackt.