best oil sealer for cut gaskets
For years, oil sealer for cut gaskets has lacked durability against high heat and oil exposure, which is why I was excited to test the Permatex 82180 Ultra Black Maximum Oil Resistance RTV. After hands-on use, I can say it’s a game-changer—flexible, long-lasting, and resistant to thermal cycling from -65°F to 500°F. It stuck securely … Read more