My new Plenum and fuel covers are all just gloss urethane car paint - no special trick here - what's the best way to seal them - I'm thinking Tropical Red Mist Dodo juice - any other suggestions?
While being very easy to use, I am not sure how long will a sealant last on the engine cover.
Since this is a new car, why not strip and apply some Pinnacle Black Label Diamond Surface Coating for a long lasting protection against the heat from your engine.