Overview Reviews Product Description S65/7-83mm supercharger pulley for ESS E9x M3 supercharger kits. No support or warranty! Product Videos Custom Field Product Reviews Write a Review Write a Review × S65/7-83mm Supercharger Pulley Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *