Permatex® The Right Stuff® Red 90 Min Gasket Maker


The Right Stuff® Red 90 Minute RTV Gasket Maker is the only high temperature gasket maker in a tube that can quickly return a vehicle to service just 90 minutes while maintaining reliable and long lasting seals. The Right Stuff® Red 90 minute is a premium professional grade gasket maker for today’s fast-paced professional garage and heavy DIY’er with high temperature performance up to 650°F intermittent

Applications: Header,  Exhaust Manifold, Turbocharge, Slip-fit Exhaust


  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 24 hours to fully cure 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
34628 N/A 3 oz. Tube 12