This Namura 8-piece oil seal set is crafted for technicians rebuilding an engines critical rotating components. Designed for durability in harsh environments, these double-lip rotary shaft seals are constructed with NBR rubber and feature spring-loaded lips for consistent sealing under pressure, heat, and vibration. Ideal for motocross, ATVs, and off-road applications.8-piece seal kit applies to Crankshaft, countershaft, shift shaft, kickstart, water pump, gear shaftNitrile Rubber (NBR) with internal spring and steel shellDual-lip rotary shaft oil sealsTemperature Range: -40°F to 250°F (-40°C to 121°C)Built to OEM specs for reliability and exact fitEngineered to resist oil, high heat, and mechanical stress