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Ford Mustang Forums Tech Related Engine & Performance

svo alluminum heads?

Anthony91notch 16.01.2017, 12:00
Im trying to figure out if i have the x heads or the y heads they are stamped svo on each end. Whats your guys opinion on them?
flip4eva83 16.01.2017, 12:12
I have gt40x heads and mine are stamped svo. Not sure if that helps.
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