Z4 HD LEAK SEALER - Z4-005

Race Proven Z-4 Heavy Duty Leak Sealer

Designed to seal cooling systems and heater core leaks and head gasket seepage without clogging.

• Seeks, finds and quickly seals most leaks
• Fiberized, non-metallic, fast acting formula.
• Compatible with most approved anti-freeze coolants
• Provides continued protection against further leakage
• 16 fl. oz. bottle - one treatment