Harley 4 valve heads

7 Oct, 2016  in Head Hoggers  tagged harley 4 valve heads / harley engine kits / Harley Performance / Head Hoggers by headhoggers (updated 2963 days ago)

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Just got a set of Harley 4 valve heads in with cylinders and Pistons. Let the R&D begin!  Doing flow before and after.  Should be fun. Will have some new stuff coming out for them 

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