Thread: Trying to understand the diff between 4V & 2V heads
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Old 02-07-2011, 04:53 PM   #10
mik
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Location: Melb north
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Default Re: Trying to understand the diff between 4V & 2V heads
i bought some 4v heads years ago second hand from a speed shop, i don`t know if it was an original feature or not but my set had dual valve springs fitted.
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