cool -head question

[86250rrider]

below is a pic of a cool-head. what do i use for a gasket?its o-ringed on the outside only. stock gasket with an o-ring maybe?or just a stock gasket? sorry but i dont know . thanks ahead

[novaracr70]

just o-rings

[86250rrider]

there is no notch on the inside to retain it.only one on the outside.

[chris46250r]

Looks like you have a o-ring head and a non o-ring dome. You can use a regular head gasket with it that way.

[86250rrider]

great...cause i reuse the thin parts of the three piece gasket anyways.:D