I think i know the parts your talking about, if your not using a fuel valve and have a fuel filler pipe to the tank they are used to plug the pipe so the tank can be pressurised, they provide 2 so you have a spare
ORIGINAL: AAC
Hey Red not sure if you still the jupiter or the instructions for it but i seem to have 2 little plastic nipples left over for the kit. They are identified by the letter V on the molded part there is no mention anywhere in the instructions what they are for? Did you find a use for them?