NOS Pontiac Cam Stamp Question
I have what appears to be an NOS Pontiac 421SD #10 cam in the original GM tube (P/N 541596), however, it looks like a 'K' stamped into the nose, not a '10' from what I see in various cam references (Wallace, H-O Racing, etc.). Which stamp is correct? The lobes are low lift and pretty broad shouldered, so I'm hoping it's the real McCoy. I've had it since the mid-'80's.
Dennis
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