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Tx Firefighter · 11-17-2013, 09:28 PM

It will be fine. I do a lot of motorcycle exhausts with ceramic and powdercoat the heat shields. It works well and lasts. Mine is probably a much "worse case" situation in that the heat shields screw directly to the headers, with only a thin insulated washer under each screw to isolate the exhaust heat from the shield.

11-17-2013, 09:28 PM	#7
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: will powdercoat hold up on 327 spark plug shields It will be fine. I do a lot of motorcycle exhausts with ceramic and powdercoat the heat shields. It works well and lasts. Mine is probably a much "worse case" situation in that the heat shields screw directly to the headers, with only a thin insulated washer under each screw to isolate the exhaust heat from the shield. __________________ I'm on the Instagram- @Gearhead_Kevin