Hello,
Many years ago I had sent a supercharged 120 in for service, to find out after propper break in, I mis-used the engine, and had it sent back to me. I received the engine in pieces, and after these years cant find the impellor assy for the pump. I cant find any parts layout for this piece, but it seems its a single impellor driven by a pin or ball on the shaft driven by the crank. Any help on a diagram and or parts available would be great. Thank you in advance for your response.

-Andy

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