Three Bond 1184 semi drying gasket. This sealing material is great for making oil tight connections. Dries to a pliable rubbery consistency, and unlike silicone based goo, 1184 remains durable and stays intact. Many applications on Guzzis such as sealing off transmission and rear drive box overflow plugs, sealing the lower two rear main bearing flange through-holes, sealing the top cylinder stud access plug, etcetera. 3.4oz tube lasts a long time. TB1184 replaces TB 1194 and TB 1104. OEM specified in automotive, motorcycle, watercraft, snowmobile, and more power equipment. Seals in 20 minutes against engine oil, coolant, gear oil, differential fluid. Designed for low temp and high temp applications.