About This

ULTIMATE GREY: Is an RTV Silicone gasketing material designed for use in mechanical assemblies where higher torque or closely spaced bolt profiles can cause sealing failures for average silicones
WHAT THE PROFESSIONALS USE: Builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project
EASY TO USE: Upon curing the silicone forms a waterproof gasket and seal. It will not shrink or crack, resists oil, petroleum and weathering, & has good temperature resistance up to 500º F intermittent
VERSATILE & DEPENDABLE: Great for import vehicles, intake manifolds, transmission pans, oil pans, timing gear covers, cam covers and more automotive applications
NO PROJECT TOO BIG OR TOO SMALL: We have all the products you need to get the job done right. JB Weld always delivers the legendary performance of the World's Strongest Bond

Overview