Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
02-26-2019, 04:21 AM
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Smog Plugs
Hi all.
I'm in the midst of restoring a set of standard cast exhaust manifolds for my Chevelle and need some steel or stainless internal hex plugs for the smog holes. Having a difficult time sourcing some in Australia and cannot find any on Ebay. My research tells me that I need 1/4"-18 NPS plugs. I can get NPT plugs at any range of places here but not NPS. This probably seems amazing to some of you guys but this is the battle we face from time to time here. If anyone has some they would like to sell or can send me a link to a seller on ebay or somewhere similar, that would be great! Thanks.
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1969 SS 396/350 Chevelle 
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