|The Right Stuff® 90 Minute is the only gasket maker in a tube that can return a vehicle back to service quickly – just 90 minutes curing time! It outperforms pre-cut gaskets by providing superior adhesion to flanges with maximum flexibility. A premium professional grade gasket maker for today’s fast-paced professional garage and heavy DIY’er. Temperature range -65°F to 500°F Intermittent.Directions: Clean and dry parts. Cut nozzle and apply a continuous 1/16” to ¼” (2 to 6mm) bead of silicone to one surface, surrounding all bolt holes. Assemble parts immediately while silicone is still wet. Finger tighten until material begins to squeeze out around flange. Let dry for one hour then tighten to torque specifications. Allow 90 minutes to cure before filling with fluids of returning to service. Replace cap after use.NOTE: Not recommended for use on head gaskets or parts in contact with gasoline.