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I have a solid lift D4 oval port head cut to the intake bolt holes, three angle valve job, Ferrera stock diameter valves, crower springs and retainers, padded followersand a johnsons machine 538/528 lift cam. We ran this head one time last season and they changed rules to 450 lift this year so we built a new hydraulic head. $700.00 for it and it is ready to bolt on and race. I have 1200 in it with only one night of use. Send me a pm for any questions.
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