I found one of these in the 1940 216 engine that came with my 1937 project. It was very oil soaked and dirty. The top end looks good though, so I don't think it hurt anything. I doubt I will put it back when I get the engine running.
Kent


1937 Chevy 1/2 ton
1942 Chevy 1/2 ton
1947 Diamond T Model 509
1951 Chevy 1/2 ton
1950 Chevy COE Model 5700 ~ "Barney" ~ And more pix