Permatex® The Right Stuff® 90 Minute Gasket Maker – GREY


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 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 -65°F to 500°F Intermittent.

Look for other Permatex® The Right Stuff® branded Gasket Makers that return vehicles to service in a matter of minutes.

Applications: Valve Cover, Water Pump, Intake Manifold End Seals, Thermostat Housings


  1. For best results, surfaces should be clean and dry.

  2. Cut nozzle and apply a continuous 1/16" to 1/4" (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.

  3. Let dry for one hour then tighten to torque specifications.

  4. Allow 90 minutes before filling with fluids or returning to service.

  5. Replace cap after use.

NOTE: Not recommended for use on head gaskets or parts in contact with gasoline.
US Part Number Canada Part Number Container Size Pack
34328 N/A 3 oz. tube, carded 12