Bar’s Leaks Block Seal Head Gasket Fix

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Amazon Price: $28.38 (as of November 12, 2025 12:09 am – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.
  • Brand: Bar’s Leaks
  • Manufacturer: Bar’s Leaks

Features

  • SAFELY SEALS GASKET AND OTHER SEVERE LEAKS: One step formulation contains a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles which penetrate gaps and cracks then harden to permanently stop leaks. Heavy duty formula works on aluminum and cast iron heads & blocks, along with sealing all other engine cooling system leaks better than a traditional stop leak. This includes repairing head gaskets, cylinder heads, intake gaskets, cracked blocks and freeze plugs.
  • QUICKLY AND PERMANENTLY STOPS COOLANT LEAKS: This works because of the extreme heat inside the combustion chamber (5000°F) that acts as a catalyst to permanently harden the material to make it stronger than the actual head gasket itself.
  • ONE STEP – NO DRAINING REQUIRED – EASY TO USE: Your vehicle is a good candidate for this product if it can idle for 20 minutes without overheating or having to add coolant.
  • USE WITH ALL TYPES OF TRADITIONAL OR EXTENDED LIFE COOLANT: Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based & non-silicate based (OAT/HOAT) 50-50 mix antifreeze, and/or water.
  • Made in the USA

Manufacturer Info

  • PartNumber: 1111
  • Model: 1111
  • Warranty: 1 year manufacturer

Product Info

  • Color: Brown
  • Size: Pack of 1
  • NumberOfItems: 1

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