cylinder head

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  1. IMG_20180413_114427.jpg

    IMG_20180413_114427.jpg

    N55 cylinder head
  2. veer90

    Ported Cylinder Head

    What's the best option if I want to do a head swap sometime in the near future? ABR? Local machine shop? What are my best options if I want to build an 8,000 rpm N54 with oversized valves? I do not want a VAC head because their freeze plugs have popped off on multiple builds, their machining...
  3. ABR Houston explains N54 fuel injectors

    ABR Houston explains N54 fuel injectors

    The in's and out's of fuel injectors, how the go in, why you need to replace the seals EVERY TIME and what tools to use
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