*** IN STOCK SHIPS TODAY *** RBS carries a full stock of Waterman ball check nozzle body parts. This is the ball cup that goes down inside the port body that the check ball seats against and cuts the fuell off until there is enough pressure to open the port up.
It is made from durable billet steel and the racer can change the cups to get different ball check port pressures. RBS carries .500" length cups that are good for eight to ten pounds, .600" length cups that are good for sixteen to eighteen pounds and .700" length cups that are good for twenty eight to thirty pounds.
Cups are sold each and racer can pick cup length from drop down menu.