Compression Gauge Extension


No more stuck compression gauges

SKU: 7881 Categories: ,


Brings a Spark Plug Hole Above the Valve Cover on Engines with a Deep Spark Plug Socket or Coil-Over Design.


  • No more difficulty removing threaded hoses from deep holes
  • Easy to install and remove
  • Adapters available for various applications




•DO NOT use on an engine that has an acute spark plug angle relative to the flat top of the piston or you may bend the TDC shafts.


Additional information

Weight0.5 lbs


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