Posted May 9, 200718 yr comment_208925 I have a 72 with the head stamped FF SP and a 73 with the head stamped FF 015 MCT. Does anyone know what this number means? These letters/numbers are on a machined pad on the valve cover ridge just next to the thermostat. Link to comment https://www.classiczcars.com/forums/topic/24268-head-stamping/ Share on other sites More sharing options...
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