The Right StuffA(R) Grey Instant 90 Minute Gasket Maker - 5ozQuickly outperforms pre-cut gaskets by providing superior adhesion to rigid joints that experience high torque loads. A premium professional grade gasket maker for today's fast-paced professional garage and heavy DIY'ers. Temperature range -65AdegF to 500AdegF Intermittent.Look for other Permatex The Right StuffA(R) branded Gasket Makers that return vehicles to service in a matter of minutes.Directions:For best results, surfaces should be clean and dry.Cut nozzle and apply a continuous 1/16a ^2 to 1/4a ^2 (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 before filling with fluids or returning to service.Replace cap after use.NOTE: Not recommended for use on head gaskets or parts in contact with gasoline.