SOHC.co.uk Forums > Anorak's Corner

tappet cover o ring size

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Nurse Julie:
I sell them in Nitrile and a % of all my sales go to run this forum. I've sold thousands of them and we also fit them to all our own CB SOHC 4'S. Viton shears too easily for this application

exvalvesetdabbler:
Ease of compression depends on the hardness.  Shore 70 is the norm for most stuff.  When I worked  we would use SH 70 Viton on underwater housings rated to a few thousand meters water depth. A bit of fluff or debris during assembly was the biggest risk.

Regards
Dave

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