{"product_id":"permatex-ultra-grey-rigid-high-torque-rtv-silicone-gasket-maker-3-oz-tubes-12-pack-oil-vibration-resistant","title":"Permatex Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker — 3 oz Tubes (12-Pack), Oil \u0026 Vibration Resistant","description":"\u003cstrong\u003ePermatex Ultra Grey Rigid High-Torque RTV is a rigid, oil- and vibration-resistant silicone gasket maker formulated for high-torque, high-vibration engine applications.\u003c\/strong\u003e\n\n\u003cp\u003eBuilt for demanding automotive environments, this Ultra Grey RTV from Permatex forms strong, long-lasting gaskets that hold up under heat, oil exposure, and constant engine vibration. Each tube contains 3 ounces of OEM-specified silicone sealant; this listing is for a convenient 12-pack so you have spares for repeated repairs or a busy shop. The compound is non-corrosive, low-odor, and rated for continuous service from -65°F to 500°F (intermittent peaks), making it suitable for many engine sealing needs.\u003c\/p\u003e\n\n\u003ch3\u003eWhat kinds of repairs is this gasket maker best for?\u003c\/h3\u003e\n\u003cp\u003eThis silicone is engineered for parts that experience heavy torque and vibration, common on many import engines and high-performance builds. It cures to a rigid seal that resists oil, coolant, and typical workshop fluids, so it’s appropriate where a durable, leak-free joint is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eValve covers and oil pans where constant oil exposure occurs\u003c\/li\u003e\n  \u003cli\u003eIntake manifold end seals and timing covers subject to engine movement\u003c\/li\u003e\n  \u003cli\u003eWater pumps and thermostat housings exposed to coolant and heat\u003c\/li\u003e\n  \u003cli\u003eApplications demanding OEM-level resistance to vibration and fluids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does it perform under heat and chemical exposure?\u003c\/h3\u003e\n\u003cp\u003ePermatex Ultra Grey resists a wide range of shop chemicals and automotive fluids while maintaining its seal across a broad temperature window. It tolerates both very low temperatures and high operating heat, with intermittent spikes up to 500°F.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContinuous service down to -65°F for cold starts and storage\u003c\/li\u003e\n  \u003cli\u003eIntermittent temperature resistance up to 500°F for hot engine areas\u003c\/li\u003e\n  \u003cli\u003eFormulated to withstand oils, coolants, and common shop solvents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to use and cure on the job?\u003c\/h3\u003e\n\u003cp\u003eThe product dispenses smoothly from a standard 3 oz tube and levels into a uniform bead that cures to a rigid, non-sag seal. Its low-odor, non-corrosive formula reduces unpleasant fumes and minimizes risk to surrounding components during assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3 ounce tube size for precise application and reduced waste\u003c\/li\u003e\n  \u003cli\u003eLow-odor formula for a more comfortable shop environment\u003c\/li\u003e\n  \u003cli\u003eNon-corrosive chemistry to protect metal surfaces and sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this meet OEM requirements and prevent leaks?\u003c\/h3\u003e\n\u003cp\u003ePermatex designed this RTV to meet or exceed many manufacturer performance benchmarks for vibration resistance and fluid compatibility. When applied correctly to clean, dry mating surfaces, it forms a hard gasket that resists oil and coolant seepage over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM-specified formulation built to industry-quality standards\u003c\/li\u003e\n  \u003cli\u003eGuaranteed leak prevention when used per application directions\u003c\/li\u003e\n  \u003cli\u003eIdeal for assemblies where a rigid, long-lasting seal is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Permatex Ultra Grey Rigid High-Torque RTV is aimed at professional mechanics, performance tuners, automotive shops, and serious DIYers who work on high-torque or vibration-prone engines. If you need an OEM-grade, leak-resistant gasket maker in bulk—this 12-pack of 3 oz tubes offers reliable coverage for frequent repairs, engine rebuilds, and maintenance projects that demand durable seals.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Permatex Ultra Grey RTV handle oil exposure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is formulated to resist oils and common shop fluids, maintaining a durable seal in oil-exposed areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What temperature range does this silicone support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It performs from -65°F up to 500°F intermittently, suitable for most engine sealing applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Permatex","offers":[{"title":"Default Title","offer_id":48082799394974,"sku":"B001REZBIE","price":117.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/permatex-ultra-grey-front-packaging_aed940db-5a10-41e2-a23a-657ab21eb8f7.jpg?v=1785814700","url":"https:\/\/northtrailauto.ca\/products\/permatex-ultra-grey-rigid-high-torque-rtv-silicone-gasket-maker-3-oz-tubes-12-pack-oil-vibration-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}