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Oil pumps rotors

old grumpy

Donation Time
pumps.jpg


The wide one: 1 1/8 (28.3 m.m.) 5-bearing engine
the in-between: 7/8 (22.2 m.m.) 1600 3-bearing engine
The narrow one 11/16 (17.4 m.m.) ?

Anyone who have any ideas about the last one
Anyone who need it?
 
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