250r IMS 4.0 gallon tank looking for billet gas caps

[Motofool250r]

can anyone tell me which thread pattern and brands fit the IMS gas tanks. im looking for a billet cap that flows well due to having a built motor and getting vapor lock problems.

[pimtout]

rocky mnt atv has tusk brand made for ims tanks..about 40 bucks..there nice

[Motofool250r]

when i lookup the tusk brand caps there is nothing said about fitting ims tanks what model did you order for what bike?

[pimtout]

http://www.rockymountainatv.com/productDetail.do?navType=type&navTitle=Intake%2FFuel&webTypeId=176&webCatId=16&prodFamilyId=8591

try this..

[Motofool250r]

thanks that one never came up maybe its cause my quad is set to search the parts that fit only it.