RFX Pro Res Cap Kit (Blue) Husqvarna FE/TE 150-501 22-23 RFX Pro Series Reservoir Covers are CNC machined from aerospace aluminium and are a perfect factory style replacement to your standard reservoir covers. Features: CNC machined from aerospace grade aluminium. Tighter tolerances than OEM cast part. Highly polished then colour anodised for that factory look. Laser etched RFX logo. Available in a variety of colours for a wide range of models.