[StonedPilot]

Is there supposed to be an O-ring where my finger is pointing? Thanks 😎

 

[bennymx]

 

[StonedPilot]

View attachment 222764

💥. Thanks 🙏

 

[3wheeler]

I don't believe the O ring 4 goes into the groove you are pointing at. I think 4 rides in the bore and seals around the plunger at the diameter the 3 is pointing at. Could your O ring still be up in the bore on the head?