Those round, closed cell foam insulators that are on the ac hoses so they don't rub against the inner fender. Every single one I see is like dry toast
Seen the muffler insulation, but not the hose insulators. https://www.ebay.com/itm/271398652668?hash=item3f309ecafc:g:Mv4AAOSwQupXUaGb
http://carusoperformance.com/Buick/heaterhose.html Real automotive SAE J18 Nitrile foam, NOT hardware store pipe insulation. maybe can make that .
Got one from him - nice piece. Good luck on the metal strap. I have some that are close if you need one.
ohhh yes the metal strap or hens teeth as some like to call it....nick from ivyland posted them a long time ago...i have turned on the bat signal but no response.........dunno??
This looks close: https://www.fusickautomotiveproducts.com/prodinfo.asp?number=HHI68 I may have the straps if you need a set - PM me.