Genuine Ford Fluid TA-30 Silicone Gasket and Sealant - 5 oz. Recommend for all engine RTV gasketing applications (except 3.5L/3.7L, 5.8L (4V) 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, non-corrosive Does not harm O2 sensors