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N42 head inlet diameter?

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Can somebody please advise what size the inlet ports are on an L series head in particular N42 head if there are any differences across the range!?

thanx

sulio

  • 2 weeks later...

Are you talking about where the manifold meets the head or valve seat area?

Head is FIA Homogolated at 35mm Diameter.

Mine all measured the same 34mm.

S
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