If there are curved seals, fit these to the engine. Smear sealant on the seal groove, stick the seal in place, and apply a blob of sealant to each end of the seal where it joins the gasket.
In conclusion, the LS3 valve cover gasket is a critical component that plays a vital role in the performance and longevity of your engine. By staying vigilant for signs of wear and tear and replacing the gasket as needed, you can ensure that your LS3 engine runs smoothly and efficiently for years to come. Remember to use high-quality OEM gaskets and follow proper maintenance procedures to keep your LS3 engine in top condition.