104171, RE: Pics of the 99 RS Posted by ez, Dec-31-69 06:00 PM
Ha ha, not true. You are only seeing the surface in those pictures. Rotors are directional when the internal vanes are not straight, but spiral. The directionality of a rotor actually is not revealed by the holes or slots you see on the outside. i.e. it's the inside that counts :)
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