The Namura 12-piece oil seal set is designed to provide complete coverage for engine sealing needs in demanding off-road environments. Built with durability and heat resistance in mind, each seal is precision-molded using high-performance NBR rubber and reinforced with internal metal rings. Ideal for full engine rebuilds, this kit prevents leaks and keeps contaminates out across all critical rotating shafts.Included oil seals: Crankshaft, camshaft, kickstart, shift shaft, water pump, gear shaftsNitrile Rubber (NBR) with metal spring and coreDouble-lip rotary shaft sealsTemperature Range: -40°F to 250°F (-40°C to 121°C)OEM replacement spec for exact fit and functionWithstands high RPM, pressure, heat, and engine oil