GUNK C616 LIQUID BLOCK SEAL

Key Features & Benefits:

• Permanently Seals Leaks: Effectively plugs cracks in engine blocks, cylinder heads, and heavy-duty head gasket failures.
• Restores Cooling Efficiency: Prevents coolant from entering the combustion chamber, stopping white exhaust smoke and restoring engine temperature regulation.
• Avoids Costly Repairs: An economical alternative to expensive engine teardowns, machining, or replacements.
• Fast & Effective: Begins to work quickly as it circulates through the engine's cooling system.
• High-Heat Resistant: Creates a durable, long-lasting seal that withstands extreme engine operating temperatures.
• Safe for All Cooling Systems: Compatible with all types of antifreeze and cooling system components.
• Convenient Size: 12 FL OZ (354 mL) bottle treats standard automotive cooling systems.

When to Use:

• Visible coolant loss with no external leak source.
• White exhaust smoke (a sign of coolant burning in the cylinders).
• Overheating engines caused by head gasket leaks.
• Coolant mixing with engine oil (milky appearance on dipstick).