OIL SUMP GASKET or OIL PAN GASKET – SILICONE  for CONTINENTAL Engines – See complete list of models below   Our silicone rubber gaskets are made from aerospace mechanical                            grade AMS silicone and designed to withstand temperatures                            up to 400 degrees Fahrenheit.    Therefore, they will not break down and deform or crack up                             like cork or neoprene.    Our gaskets seal uneven and warped surfaces,                             and eliminate corrosion. Gaskets are 100% reusable. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Fits Models:    Continental                        O-470-Series;    IO-470 Series,                   IO-520 Series,    GTSIO-520 Series;                    LTSIO-520-AE;   TSIO-520 Series,                     IO-550 Series;    IOF-550,                   TSIO-550 Series;   TSIOF / TSIOL-550-Series This gasket is not FAA-PMA.   Part #:            RG-534743                         Oil Sump Gasket or Oil Pan Gasket Corresponding  or superseded part #:  655546, 653528, 649971, 534743 One gasket Gasket is 1/8″ thick silicone. Gasket has 32 bolt holes. Reusable.   INSTALLATION AND MAINTENANCE PROCEDURES: THE GASKET SURFACES MUST BE CLEAN AND DRY.   1.    Remove the valve cover and gasket in accordance with the Continental procedure         or in accordance with an acceptable procedure used by the shop         performing the installation. 2.     Clean the valve cover and the cylinder surfaces of all residual material. 3.     Install gaskets, DRY, 4.     Replace the valve cover and torque the cover bolts to 25 in-lbs.                “CAUTION”  – DO NOT OVER TIGHTEN.” * 5.     Check the cover bolt torque after an engine run up to take off power or         first flight and re-torque the bolts to 20 in-lbs. 6.     Check the cover bolt torque annually, and re-torque to 20 in-lbs, if necessary.                 The gaskets are re-usable and the service life of the gasket is         determined by its physical condition on removal.              If the gasket is still pliable and without cracks, tears, or          deterioration, it may be re-used, otherwise discard.         *   Over tightening causes the gasket to bulge of squeeze out.                 If that happens then back off on the torque.   TO REUSE GASKETS: Wash gaskets briefly in hot soapy water. Rinse well and dry all surfaces. Re-install using the above installation instructions.   Save instructions for future reference. Instructions do come with the gaskets.   PROUDLY MADE IN THE USA. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ USE CORK?    GET REAL!    REAL Gaskets that is… REAL Gaskets Tennessee is a manufacturer of silicone rubber gaskets  for aircraft, automobile, and motorcycle engines. Our silicone rubber gaskets are made from aerospace mechanical  grade AMS silicone, designed to withstand temperatures  up to 400 degrees Fahrenheit and to last the life of the engine. Our gaskets seal uneven surfaces, eliminate corrosion and  are 100% reusable.   We manufacture valve cover gaskets for: Aircraft: Continental, Franklin, Lycoming, Pratt & Whitney and  Wright radial piston aircraft engines.   Automobiles: Ford, GM, Mopar, Porsche and VW automobile  engines.   Motorcycles:  BMW, Harley-Davidson, Suzuki, BSA, Ducati,  Moto Guzzi, Norton, Triumph, Saab and most other  motorcycle engines.   If you are tired of oil leaks, then a silicone rubber gasket is the  only way to go, and REAL Gaskets Tennessee is the only  place you can get “The Original” silicone rubber gasket.     MADE IN THE USA.