Sticky pin-CP help.

[Tom Allen]

70 and 90 are the hardness of the oring 90 being the harder, and you will need the 90. Nitrile is basically the same as buna.

And sorry, i don't have any here.

 

[NitroBall]

Gadget, give the pie boyz at Lips a bell, they might still have some CP reg service kits left from a year or 2 ago.