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Built for High-Torque, High-Vibration Systems: Engineered for performance under punishing conditions, Permatex Grey is ideal for applications where intense torque, engine stress, and vibration threaten gasket integrity. Extends Gasket Life & Prevents Blowouts: Fortifies paper, cork, rubber, and composite gaskets to resist pressure loss, surface fatigue, and premature failure—perfect for pros tackling aftermarket rebuilds or upgrades. Tacky Surface for Easy Positioning: The moisture-cured silicone coating forms a tacky layer that holds gaskets securely in place, preventing slippage and ensuring a precise, confident install every time. Fills Flaws, Resists Fluids & Heat: Fills in gouges and surface scars to maintain full contact seal—while resisting oil, transmission fluid, antifreeze, and temperatures up to 500°F intermittent for long-lasting performance. Smart Color-Coded System for the Right Fit: The Grey formula is part of Permatex's intuitive color-coded lineup, making it easy to choose the right coating for your specific gasket application—no guesswork, just results.