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Christen oil service Q

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Smithacb

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Hello all, ive researched & read a fair few posts here relating to the Christen inverted oil system. My research has aided me hugely in getting most of the parts I need plus the 'How' to do it. It's great here.

What I can't find & my parts suppliers here in the UK are drawing a blank on is the ball bearings (x2) in the 3 way valve. The Christen/Lycoming no is 520023-043. I can't find them, order them or find the spec/size of them. Somebody must know the common garden variety details of those little balls. Where can I get them!!

Anyone throw me a bone..?

Cheers all.
 

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