• 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)

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 www.P65Warnings.ca.gov