Recommendation on rocker box gaskets, 1997 EVO
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Road Warrior
Joined: Apr 2018
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From: Moneta, Virginia
Recommendation on rocker box gaskets, 1997 EVO
I’ve got an oil leak between the rocker box and head on the rear cylinder.
I have a HD top end gasket kit (PN : 17040-92), these are 2006 vintage. The rocker box gaskets are the metal type.
Should I use the moco metal gaskets, or purchase a set of something else?
I have a HD top end gasket kit (PN : 17040-92), these are 2006 vintage. The rocker box gaskets are the metal type.
Should I use the moco metal gaskets, or purchase a set of something else?
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You won't find a better gasket for the lower rocker housing than the OEM coated metal ones. Use them.
And that goes for the rocker cover rubber gaskets as well. OEM fits perfect every time. They're a tick thinner than most aftermarket and softer too, making them re-usuable more often than not (if they aren't terribly old)
And that goes for the rocker cover rubber gaskets as well. OEM fits perfect every time. They're a tick thinner than most aftermarket and softer too, making them re-usuable more often than not (if they aren't terribly old)
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I bitch at the MoCo for countless things but one thing they get right is gaskets... none better 
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From: South Carolina
I recently replaced my old `89 rocker boxes with new oem parts, about 2 months ago.
I would call the dealer again and make them work a bit to find you a set. Any year from 92 up will work.
The lower gaskets are metal, the upper gaskets appear to be Teflon or Delrin (white material), they are not like the old rubber gaskets that were sometimes so out of shape that they had to be gooped in place.
With the new gaskets this job is no longer a PITA.
I would call the dealer again and make them work a bit to find you a set. Any year from 92 up will work.
The lower gaskets are metal, the upper gaskets appear to be Teflon or Delrin (white material), they are not like the old rubber gaskets that were sometimes so out of shape that they had to be gooped in place.
With the new gaskets this job is no longer a PITA.
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