Internally lubricated gaskets give you a secure seal, but make for easy removal. And, custom manufacturing to your car's year, make and model means these Porsche oil filters have the precision fit that installs effortlessly and stays on tight as a glove without leaking even under brutal operating pressure. Keep your engine cranking like a champ with optimum lubrication and optimum filtration with our Porsche oil filters. When you add on our AutoAnything 1-year lower price guarantee, plus free shipping and long life warranties, you've got the sweetest deal around!