1KD / 2KD Ratio Bracket Kit 2 /3 Rotor HP3 / HP4 HP Pump BYPRatio Pump Bracket Kit 1: 1 Suit; 1KD N70 Brand BYP For big power 1KD setup, because stock setup is not 1 to 1 ratio, it can't maintain good rail pressure for big nozzles size, this setup is to help with the rail pressure dropping in a higher rev ranger. 1 to 1 Ratio Pump Bracket to suit standard 2 rotor pump or Aftermarket 3 rotor pump. what including is in the pics Note: Coming from Thailand Store ETA 2 3weeks