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Can someone please tell me what this is and what part I need for it? Where the hole is below to the spark plug wire.
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5D713EEB-75E3-458E-BBD9-DD01D58A88F3.jpeg
 

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Your spider has VVT (variable valve timing) from what I know the device advances the intake cam timing for better performance. I believe the hole is for inspection, make sure the plunger moves in and out as the engine speed changes.
 

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86 Veloce
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Yup, VVT. Sometimes they get gunked up and need to be cleaned. Easy to check to see if it is working properly.....
 

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86 Veloce
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No rubber plug, it stays open. It is just an inspection hole.... If you energize the solenoid you can watch the plunger move, if not you most likely just need to clean it.
 
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