The TB-1184 crankcase sealant is designed to be used on 4-stroke engine applications where exposure oil, gasoline & water. It works well in both low & high temperature applications. The semi drying sealant is excellent for crankcases, valve covers, exhaust manifolds, transmissions, water pumps and many other Marine, Automotive & Off-road applications. The sealant cure time is 20 minutes, and eliminates a long wait after assembling. 3.4 oz.