Check the listing for details. Permatex® 81630 - 3.35oz Ultra Red® RTV Silicone Gasket Maker. Condition: New. Listed at 16.59 USD. Permatex® 81630 - 3oz Ultra Red® RTV Silicone Gasket Maker Permatex® is a leading manufacturer, distributor and marketer of premium chemical products to the automotive maintenance and repair, home and hardware markets. Product categories include gasket makers, sealants, hand cleaners, threadlockers, adhesives, cleaners, repair kits, and lubricants under well-recognized brand names such as Permatex®, the Right Stuff®, Fast Orange®, Spray Nine®, Versachem®, and Devcon® home. 3.35oz Ultra Red® RTV Silicone Gasket Maker (81630) by Permatex®. Permatex’s Ultra Red offers high temperature resistant available today. Ultra Red is a high-performance low-odor formulation, outperforming the previous gen. Red RTV. Ultra Red resists temperatures up to 650°F (343°C). This high temperature gasket maker is resistant to high thermal cycling and is sensor-safe, non-corrosive RTV. This chemical gasket maker can be used in replacement of pre-cut gaskets and is ideal for high-temperature applications such as the exhaust manifold, header, turbochargers and slip-fit exhaust parts.High temperature performance and adhesionSensor-safe, low odor, non-corrosiveNon-flammable, non-toxic and OEM specifiedCan be used as a gasket maker or dressingMeets performance specs of OE silicone gasketsWithstands up to 650°F intermittentGreat for Header, manifold, slip-fit exhaust parts & turbochargersThank you for your business and may you have happy trails from here and forever! RoomaZoom Powersports