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    Wagler Duramax Cylinder Heads

    Wagler Competition Products got its start with an aftermarket Duramax cylinder head and has grown into a full in-house engine shop, from bare castings to complete builds and dyno testing. Founded in 2011 in southern Indiana by Jeremy Wagler, the company focuses its performance parts on GM Duramax trucks. CFM Diesel Performance stocks Wagler components for Duramax owners chasing serious, race-proven power.

    Wagler

    Why Diesel Owners Trust Wagler

    Wagler Competition Products was founded in 2011 by Jeremy Wagler and has grown into one of the few diesel shops offering everything in-house, from bare castings through complete engine builds and dyno testing.

    The brand is best known for its aftermarket Duramax cylinder heads, alongside factory bolt-on performance parts developed and tested on its own engines.

    CFM Diesel Performance stocks a growing selection of Wagler components for Duramax trucks — see what's available below. Chasing a specific part for your build? Contact our team and we'll help track it down.