Flowtech 99361FLT Header Gasket, Chrysler 273-360 Reviewhttp://tinyurl.com/n9rxx29 Flowtech 99361FLT Header Gasket, Chrysler 273-360 Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long lifeMechanically clinched to a perforated metal core for superior sealing and strengthThe inorganic filler system provides strong bolt torque retention properties