ClutchPro Clutch Master Cylinders Spongey clutch pedal or trouble engaging gears? Maybe a worn or leaking clutch master cylinder is to blame. Fit a replacement master cylinder from ClutchPro and get back that pedal feel and direct clutch engagement. Developed to meet strict quality control standards their range of plastic, aluminium and cast iron master cylinders are designed to meet OE quality standards and integrate state of the art manufacturing and machining processes for optimised tolerances and long-term durability. ClutchPro master cylinders are the perfect solution to get your clutch system operating at its best and with all components being OE quality and direct fit replacement they'll give you peace of mind as well as seamless changeover with no fitment issues. Each component is carefully engineered to provide the ultimate replacement solution and each part is developed to incorporate the necessary hardware required for a successful installation. ClutchPro kits and components are tested in-house in the ACS Research & Development facility which allows technicians to measure a variety of performance and durability characteristics including clamping force, bearing load and fluctuations in clamping force over the lifecycle of the product.