MHR (Malossi Hyper Racing) Team products are pure racing components. Large diameter variator for use with overrange drive belt and convertor for excellent top end speed. 19x15.5mm weights offer smooth, low-slip performance. Delivery includes counter pressure spring and 2x sets of 19x15.5mm weights at 3.5g and 3.8g. Newer Peugeot engines have a 134mm convertor. Can also be used with smaller original convertors (older models). All in all a great variator!