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Rais, The spark plugs that you show in Aircraft Spruce are fine wire plugs. Regular plugs are about $100 less each and work well. Fine wire plugs are supposed to be more resistant to fouling but in my opinion, don't seem to be any better. Are your plugs that bad that they can't be cleaned and gapped ? Also with the shipments, would one of us be able to ship to you if you had the merchandise shipped to us ? I would be willing to do that for you. Paul
Rais, My GO-480 has RHB37E in it. You need to double check your paperwork to see exactly what yours should have. Different models have different spark plugs. Some take short reach, some take long reach. I'm not an expert. Maybe someone else here has more knowledge than I. Paul
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