Throw your RTV away! Tired of the mess that silicone sealant leaves behind? Ever had to wail on the diff cover with a hammer to break it free? Lube Locker gets the job done quicker with less hassle and mess. These gaskets are designed with a steel core that is rubber coated and have Lube Locker's signature full perimeter elastomer beading on BOTH sides. The result is a gasket that will not split or extrude during installation and has superior torque retention. There is no set up time because installation is dry" with no sealant needed!"