Includes Aluminum Reservoir Clamp. Performance Tuned For Vehicle Specific Application. Aluminum Body Dissipates Heat Faster Than Steel. External Reservoir System Dissipates Heat Fast. Black Anodized CNC Machined Aluminum Components. 100% Serviceable And Tunable For Longer Lifespan. Teflon-Lined Heat-Treated Spherical Bearings. Redundant Sealing System/Long Lasting Performance.