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Raptor Spark Plug Torque Spec?

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Hi all - 

Anyone know where to find the spark plug torque specs for Indmar Raptor motors? I pulled the plugs this winter on my 410 to fog and inspect and I’d like to ensure I get them snugged back in to the correct spec. I know “snug” but not over-tightened is a relative term, so I want to be a bit more precise :) 

PS: Is this dielectric grease inside the wire boot? Or something else?

Anything else I should do when reinstalling? I’ve read some use anti-seize on the threads.

Thanks in advance!

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