Valve covers

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Old Nov 9, 2013 | 02:38 AM
  #1  
Stevec's Avatar
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From: Southington,Connecticut
Valve covers

I have a set Micky Thompson valve covers that need breathers and grommets,does anyone know where I can get them? The grommets are D shaped and ide prefer aluminum breathers. Summit didn't have much to choose from.

Thanks
Old Nov 9, 2013 | 05:48 AM
  #2  
Magna86's Avatar
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From: Chesapeake, VA
You can probably find the gromets at a local parts store. Thats where I found some when I installed the OAI. Also check Jegs or Rockauto etc.
Old Nov 9, 2013 | 06:26 AM
  #3  
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From: Poteau, Ok
You can try these guys. Holley is selling the repros now.


http://vintagerodcomponents.com/reta...=index&cPath=2
Old Nov 9, 2013 | 06:57 AM
  #4  
1970supremevert's Avatar
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From: MD
grommets

Steve,
pcv grommet was purchasd at advance part# 42314 , it is a Dorman part# I think is was like $3.00,
pat# on breather grommet installed on VC is 385204 I do not know brand
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Last edited by 1970supremevert; Nov 9, 2013 at 06:59 AM. Reason: price
Old Nov 9, 2013 | 08:16 AM
  #5  
Octania's Avatar
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I am sure manufacturing sources vary, and so do the products....

The last time I bought a generic pcv grommet I ended up throwing it away and buying a GM unit. I was under the ASSUMPTION that new is better. Turns out, maybe not so.

The aftermarket one was made with rubber way too hard, almost impossible to get into the factory valve cover. When it was installed, the hole was too small to put the PCV valve into. NO amount of pushing, twisting, swearing, lubing, etc. was going to make it work. With the grommet out of the rocker cover, the pcv could BARELY be forced into the grommet.

And this was on a FACTORY valve cover with a known consistent size and shape D-hole. Part of the problem was that the space the generic grommet allowed for the rocker cover was too small, so that, when installed, the rocket cover pinched the inside hole smaller- too small to use.

The factory grommet?
correct softness
fit the factory D hole perfectly
accepted the pcv elegantly and easily, just like it should.

How much is aggravation worth to you?
Go ahead and buy the handy one, but test fit it to a pcv before scratching your rocket covers all up installing it. Measure the cavity in the grommet and compare to the mating features where the cover is to contact the grommet. Proceed with caution. Maybe another brand fits and works OK.
Old Nov 9, 2013 | 12:14 PM
  #6  
Stevec's Avatar
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Thanks guys!
Old Nov 9, 2013 | 12:22 PM
  #7  
dantecl's Avatar
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From: San Diego, CA
I've had good luck getting these parts from The Parts Place Inc. The grommets fit like a glove, no issues at all. They do have a minimum order though, $25.
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