The Namura 10-piece oil seal kit is a comprehensive engine sealing solution designed for high-performance rebuilds and preventative maintenance. Manufactured using premium materials, this kit ensures optimal sealing of critical engine components to maintain performance, prevent leaks, and resist oil breakdown and temperature extremes.Material: High-grade Nitrile or Viton® rubberDesign: Double-lip shaft seals with spring-loaded sealing edgeOperating Temperature: -40°F to 250°F (-40°C to 121°C)Resistance: Oil, fuel, heat, pressure, and wearApplication: Engine rotating assemblies requiring precise sealing