Bars Leaks Head Seal Blown Head Gasket Repair is the fastest, safest way to solve your vehicles coolant-related head gasket issues. Your vehicle is a good candidate for this solution if it can idle for 15 minutes without overheating or having to add coolant. Use with ALL types of 50-50 mix coolant including yellow, orange, pink, red, blue and green silicate based and non-silicate based (OAT / HOAT) antifreeze, and/or water. Unlike other products, no draining or thermostat removal is required. Works with ALL gasoline and diesel engines. This also is the best additive to use in all racing applications.

Bars Leaks Liquid Copper Block Seal Intake and Radiator Stop Leak seals larger leaks regular stop leaks wont. One step formula permanently repairs coolant loss problems on cars, trucks, vans, SUVs and RVs. Antifreeze compatible sodium silicate liquid glass penetrates large and small leaks in plastic, aluminum and cast iron heads, blocks, intake manifold and gaskets, freeze plugs, heater cores and radiators. Fiber additives lock together with liquid to increase strength and promote a permanent seal. It will not harm the cooling system when used properly, no draining is required. Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based and non-silicate based (OAT/HOAT) 50-50 mix antifreeze, and/or water.

Bars Leaks Original Rhizex Pelletized Formula Heavy Duty Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks better than other stop leak products. Works safely and effectively on plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs. Water Pump Lube lubricates water pump seal and inhibits the formation of rust and scale. Compatible with both conventional silicate-based and extended life (OAT/HOAT) antifreeze, all types and colors. Can also be used in straight water.

Bar's Leaks Block Seal Head Gasket Fix is the easiest solution to stop head gasket coolant leaks. No draining of the cooling system is required. 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. 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. Your vehicle is a good candidate for this product if it can idle for 20 minutes without overheating or having to add coolant. Use on ALL water cooled gasoline and diesel engines. Heavy duty formula works on aluminum and cast iron heads and 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. Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based and non-silicate based (OAT/HOAT) 50-50 mix antifreeze, and/or water.

Most rear main seal leaks are caused by a combination of normal wear in the crankshaft and seal and the drying, hardening and shrinking of the main seal. Bars Leaks Heavy Duty Rear Main Seal Repair restores the seal to like new condition and also contains additives to stop leaks in severely worn seals and crankshafts. Compatible with all petroleum based engines oils including high-mileage and synthetic. Works with ALL vehicle types including gasoline, diesel and turbocharged. Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks. This includes the timing cover seal, cam seals, O-Rings and other gaskets.

Bar's Leaks Engine Oil Stop Leak Concentrate is specially designed to stop seal and gasket leaks caused by normal engine wear and age. Works with ALL gasoline and diesel engines using conventional, high mileage and synthetic engine oil.

Bar's Leaks Power Steering Stop Leak Concentrate is specially designed to stop seal and O-ring leaks caused by normal power steering wear and age. Works on rack and pinion units, gear boxes and pumps. Keeps power steering seals soft and pliable. Non-corrosive, non-clogging and non-foaming. Works with ALL domestic, import and heavy duty power steering fluids; including petroleum, mineral oil, synthetics and ATF automatic transmission fluid.

Bar's Leaks Jack Oil with Stop Leak is specially designed to stop seal and O-ring leaks caused by normal jack wear and age. If you are having to add oil to your jack, it has a leak. Easy fill cap is great for topping fluid off. Brings life back to old jacks and prevents leaks and seepage on newer jacks. Premium formulation reconditions seals to stop current and prevent future leaks.

Bars Leaks Liquid Aluminum Cooling System / Radiator and Heater Core Stop Leak is the best radiator stop leak money can buy. Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Liquid Aluminum is part of the next generation stop leak line which not only seal leaks, but also conditions the system. Contains Xtreme Cool which stops overheating and reduces water temperature. It is guaranteed to safely and easily seal leaks in plastic, aluminum and metal (copper / steel) radiators, heater cores, gaskets and freeze plugs. It will not harm the cooling system, no draining is required. Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based and non-silicate based (OAT/HOAT) 50-50 mix antifreeze, and/or water. For most vehicles leaks seal instantly.

Bar's Leaks Cooling System Radiator Stop Leak Professional Strength Formula tablets inhibit the formation or rust and scale, neutralize pH imbalance, controls electrolysis, lubricates and seals internal, external and coolant-to-oil leaks. Same tablets as used by many OEM auto and truck manufacturers around the world. Bar's Leaks Radiator Stop Leak is designed to enhance the use of antifreeze or can also be used in water. When used in water alone, it is also recommended to use a cooling system anti-rust and water pump lube.

Bar's Leaks Radiator Stop Leak Sealer is specially designed to stop minor cooling system leaks and drips caused by normal cooling system wear and age. Works with ALL Types and Colors of Antifreeze Coolant and / or Water

Bar's Leaks Radiator Stop Leak 2X Concentrate Sealer is specially designed to stop minor cooling system leaks and drips caused by normal cooling system wear and age.