Permatexs Ultra Red is a high-performance low-odor formulation outperforming the previous gen. Red RTV. Ultra Red resists temperatures up to 650F (343C). 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. {specs}.
