AS3 Performance Water Pump Cover for Rieju MR 300. 2021 Rieju MR 300 Racing. 2021 Rieju MR 300 Pro. 2021 Rieju MR 300 Ranger. AS3 Performance water pump covers are CNC machined from strong but lightweight 6061-T6 aluminium and provide excellent protection to the water pump.
