They look OK externally but that doesn't really mean anything. The only non-oem recirc valve I'd seriously consider is the one from Synapse. But really you should just get replacement OEM ones. People are always parting out.
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines