Recommended for all engine RTV gasketing applications (except 3.5L/3.7L and 7.3L power stroke, 6.0L and 6.4 L diesel engine). Form-in-place gasket and multi-purpose adhesive/sealant. Room temperature curing silicone rubber. Does not release acetic acid during curing and is non-corrosive. Does not harm oxygen sensors. Cartridge fits standard caulking gun.