{"product_id":"permatex-ultra-grey-rigid-high-torque-rtv-silicone-gasket-maker-13-oz-6-pack-oil-vibration-resistant","title":"Permatex Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 13 oz (6-Pack) — oil \u0026 vibration resistant","description":"\u003cp\u003e\u003cstrong\u003ePermatex Ultra Grey Rigid High‑Torque RTV Silicone Gasket Maker is a heavy‑duty, OEM‑specified sealant engineered for high‑torque and high‑vibration engine applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for vehicles and equipment that put extreme stress on seals, this 13‑ounce formula delivers a stiff, vibration‑resistant silicone gasket that stands up to oils, coolants, and common shop fluids. The non‑corrosive, low‑odor compound cures to a firm gray gasket that meets or exceeds manufacturer performance requirements and tolerates temperatures from -65°F to 500°F (intermittent).\u003c\/p\u003e\n\n\u003ch3\u003eHow does this gasket maker handle high‑vibration and high‑torque engines?\u003c\/h3\u003e\n\u003cp\u003eUltra Grey Rigid is formulated to resist the repeated flexing and shear forces found in high‑torque engines, especially many import powertrains. Once cured, it forms a rigid sealing bead that reduces the chance of extrusion and seal failure under vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRigid cured state prevents gasket creep in torque‑intense joints\u003c\/li\u003e\n  \u003cli\u003eHigh shear resistance minimizes leakage on vibrating surfaces\u003c\/li\u003e\n  \u003cli\u003eOEM specification compatibility for many import applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fluids and temperatures can this RTV withstand?\u003c\/h3\u003e\n\u003cp\u003eThis silicone gasket maker offers broad chemical resistance against engine oils, coolants, and typical shop fluids, maintaining integrity during regular service conditions. It also resists degradation across a wide temperature range, making it suitable for under‑hood and near‑engine sealing tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -65°F to 500°F intermittent\u003c\/li\u003e\n  \u003cli\u003eResists oils, antifreeze\/coolants, and common maintenance fluids\u003c\/li\u003e\n  \u003cli\u003eNon‑corrosive formula protects mating surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere should I use this product on my vehicle or equipment?\u003c\/h3\u003e\n\u003cp\u003eDesigned for multiple engine sealing points, this gasket maker is ideal wherever a rigid, high‑strength silicone bead is required. It performs well on both metal and composite surfaces used in modern engines and drivetrains.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eValve covers and oil pans where vibration is high\u003c\/li\u003e\n  \u003cli\u003eIntake manifold end seals and timing covers\u003c\/li\u003e\n  \u003cli\u003eWater pumps, thermostat housings, and similar service areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply and cure Permatex Ultra Grey Rigid RTV effectively?\u003c\/h3\u003e\n\u003cp\u003eFor best results, clean and dry mating surfaces thoroughly, apply an even bead, and allow recommended cure time before reassembling. Avoid contaminating the bead during cure and follow manufacturer torque specs when tightening fasteners.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean surfaces of oil, dirt, and old gasket material\u003c\/li\u003e\n  \u003cli\u003eApply continuous bead and assemble within recommended time window\u003c\/li\u003e\n  \u003cli\u003eAllow full cure per instructions before exposing to fluids or full service\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, restoration shops, and experienced DIYers working on high‑torque or high‑vibration engines—especially import engines and applications where a firmer, long‑lasting silicone gasket is required. It’s a practical choice when OEM level performance and resistance to oils and coolants are priorities, or when traditional preformed gaskets are impractical. Use this 13 oz. pack of six to stock your shop or complete multiple vehicle repairs with a single purchase.\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 I use this RTV on aluminum or composite engine parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The non‑corrosive formula bonds to aluminum and many composites and is suitable for valve covers, timing covers, and similar parts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How hot can the cured gasket tolerate?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The cured gasket withstands intermittent temperatures up to 500°F and continuous low temperatures down to -65°F.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Permatex","offers":[{"title":"Default Title","offer_id":48080134799518,"sku":"B000XG5ROK","price":189.43,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/permatex-ultra-grey-front-packaging.jpg?v=1785779209","url":"https:\/\/northtrailauto.ca\/products\/permatex-ultra-grey-rigid-high-torque-rtv-silicone-gasket-maker-13-oz-6-pack-oil-vibration-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}