17% Supercharger Pulley

The WayMotorWorks custom 17% supercharger pulley is engineered to increase the rotational speed of your MINI Cooper's supercharger by reducing the diameter of the driving pulley. This modification is widely considered a prime balance between achieving noticeable performance gains and maintaining engine longevity. The pulley boasts a unique 2-piece collet style design, secured by four bolts to ensure it locks firmly onto the supercharger shaft. Its construction includes taller lips on both the front and back, which aid in keeping the drive belt securely in place during operation and simplify belt installation. Additionally, four jack bolt holes are incorporated to reduce overall weight and guarantee precise installation. Crafted from the highest quality stainless steel, this pulley is CNC machined to exacting tolerances, ensuring perfect balance for smooth and reliable operation. For the R53 Mini Cooper S models, this 17% reduction pulley is highlighted as a highly effective modification for maximizing horsepower gains relative to cost, often referred to as the 'best HP for your buck' upgrade. It is recommended for R53 MINI Cooper S models from 2002-2006, JCW Hardtop R53 models from 2005-2006, and R52 Cabrio S and JCW Cabrio models from 2005-2008.