1st plenum pull posted by Bigmatthew86 on June 19, 2017 at 09:13 AM
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May also want to swap out the fuel damper & regulator while you're at it, if they have not previously been changed.
You also need silicone sealant for valve covers and the rubber washers tend to mushroom over so they are probably due for replacement. Also, BDE aluminum half-moons are a good idea. Do you have upper plenum gasket?