GREEN DEMON Professional Quality Head Gasket & Block Repair, 473ml | Ceramic Reinforced Sealer | Advanced & Fast DIY Permanent Coolant Leak Seal & Fix | Engine/Cylinder Sealant for Cars, SUVs & Trucks
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- Attention If you notice bubbles coming from the radiator or coolant reservoir, or if Green Demon engine coolant leak stop isn't sealing, the system might be over-pressurized. Please watch the video on this page for additional instructions to ensure a successful repair.
- JUST ONE APPLICATION REPAIR No engine flushing or draining required. A super strength ceramic formula flows through the cooling system to reach damaged areas. Particles combine creating a mesh that cures and repairs leaks to form a permanent sealed bond faster.
- DON T BLOW A GASKET Fix it! Stop leaks, easily and safely. Use on Head Gaskets, warped or cracked cylinder heads, engine blocks, radiators, heater cores and freeze plugs. Perfect Do-It-Yourself car solution for those expensive and time-consuming repairs.
- TRUSTED BY PROFESSIONALS Scientifically engineered, the Green Demon Head Gasket & Block Repair is road tested and mechanic trusted. Save on repairs and extend the life of your car longer. Buy with confidence - with our 100% money-back or replacement guarantee.
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