i have a set of Crane Gold roller rocker arms that came off of a vintage set of Boss 302 heads. they are either for the Boss 302/Boss 351 or Big Block Chevy, not sure yet. They are arched on the top surface and have "V710" stamped in the top surface. i think this is probably a date code with "V" being the year and "710" being the month and day. anyone have an idea or link that will tell me what the "V" stands for or any info or suggestions? "V710" is not a part number and a lot of net searching has been fruitless. Crane is apparently a dog that no longer hunts. thanks.
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