Manifold and spacer o-ring alternatives???

Anyone have a suggestion for a more cost effective substitute for the o-rings for the manifold and carb spacer? $10 each is tough. I have a large assortment of metric o-rings, but no matches.
 

69ST

Well-Known Member
The phenolic heat insulator really should be used, at the carb end of the intake; otherwise, the carburetor will get really hot. But, $10 for an O-ring...what vendor charges that kind of extortion?
 
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