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k20z3 civic si

  1. New Product and Industry Announcements
    Looking to sell a set of cams and rocker arms. 93k mileage From 2009 Honda Civic si Contact at 7602857450 Or [email protected] 350 OBO
  2. All Motor K series Technical Discussion
    Been coming across a lot of discussion with the coolant diverters and which motors they are on. I don't recall seeing anythying like that when I disassembled my motor. Anyways long story short, my z3 block is bored to 87mm and I using the stock head still. Blew a cometic gasket gasket so I'm...