Originally Posted by NeilM
I'll have to wait until I get a set and measure the O rings.
what reg is it chum ? i might have some .....
kent bearings rochester .....thats who i use,.... nitrile 70 or 90 .......viton to if you want .
Karl is the chap there .....proper good egg !
orings i have found are unfortunately like pellets , a certain batch of a certain size may be slighteyl tighter or looser than another .
it don't matter too much if its just crushing between 2 surfaces, but if a sliding fit like on reg piston , it could give sticky or leaky performance.
the oring factory near me use a super camera type measuring device for size control ....
when you find ones that work ..buy a few !
or use original , someone's hopefully done the hard work for you