Permatex Ultra Black RTV Silicone Gasket Maker 3.35 oz
$8.74
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The Permatex Ultra Black RTV Silicone Gasket Maker is an excellent choice for mechanics and DIY enthusiasts who need a reliable, leak-proof seal on high-flex and high-oil environments. You will notice that this formula is specifically designed to meet the rigorous demands of modern engines, where heat and vibration can cause standard gaskets to fail over time. It feels tacky and easy to apply, allowing you to create custom gaskets or reinforce existing ones on oil pans, valve covers, and timing gear covers. This silicone remains flexible once cured, ensuring that your seals stay intact even as metal components expand and contract during heavy engine use.
Key Features of Permatex Ultra Black RTV Silicone Gasket Maker
Additional Information
For the best results, always apply a continuous bead to one surface and wait about 10 minutes for the silicone to “skin over” before bolting the components together. You should tighten the bolts just until the silicone begins to squeeze out slightly, then wait one hour before performing the final torque to the manufacturer’s specifications. This two-step tightening process creates a thicker, more resilient gasket that is far less likely to leak under pressure. Remember to let the assembly cure for a full 24 hours before adding oil or running the engine to ensure the seal has reached its maximum strength.
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