Thread: Production years for G and H 6 cly flatheads?
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Old 11-06-2021, 08:59 PM   #9
Newc
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Default Re: Production years for G and H 6 cly flatheads?
That 254" six is 'M' series and it has M cast in the head [49-51] . They are around but scarce. Newc
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