CRS-16 : Ceramic Motor Seal


Order No. CRS-16

  • Permanently seals leaking head gaskets, cracked heads and blocks (aluminum and cast iron)
  • Coats the engine to inhibit rust formation and salt water corrosion during normal operation
  • Seals porous castings in the cooling system
  • Stops coolant leaks
  • Promotes heat dissipation for added power
  • 16 oz. (455 mL)


Proposition 65 Warning WARNING: This product can expose you to chemicals including Carbon Black, which is known to the State of California to cause cancer. For more information go to