K-Seal ULTIMATE K3501 head gasket repair is the simple, permanent fix for blown head gaskets, cracked heads and blocks and porous engine blocks. Guaranteed repair for the life of your engine or your money back Our unique formula works with all water-cooled engines - there's no need to drain or flush your cooling system and it doesn't matter what kind of anti-freeze or coolant you've used previously. Simply shake the bottle, pour K-Seal ULTIMATE into your cooling system and you're back on the road. Just one bottle of K-Seal ULTIMATE is enough to fix blown head gaskets and cracked heads in cars, SUVs and small trucks. For larger engines, simply use two bottles.
K-Seal® Head Gasket Repair
- Fixes blown head gaskets, cracked heads and blocks
- A permanent repair, guaranteed for the lifetime of the engine
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