Pro Clean Instant Motorcycle Gasket Sealant 50 ml The Pro Clean motorcycle instant motorcycle gasket sealant is a silicone based sealant that cures quickly to provide a permanently flexible seal. This in turn makes it ideal for use as a gasket sealant to replace pre-formed motorbike gaskets. Increase adhesion and your motorbike gaskets chemical and water resistance today. Motorcycle Sealant Features: Instant gasket forms in-situ replacing paper and cork. Low pressure (6 Bar) resists up to 350 Bar. Use on gear boxes, pumps, housings, bearing gaps, sump assemblies, crank cases, transmissions etc. Cure speed 15-30 minutes. 50 ml tube.