Red Line Supercool Performance 50/50 Mix is a universal, ready-to-use engine coolant formulated for use in all makes and models of cars, SUVs, and light-to-medium-duty trucks. This prediluted formula eliminates the need for mixing with water, providing immediate protection for both gasoline and diesel cooling systems regardless of the existing coolant color.

• Enhances heat transfer to reduce operating temperatures by up to 20°F.
• Provides superior protection against cavitation corrosion and erosion.
• Safe for use in systems containing cast iron, aluminum, and brass components.
• Prediluted 50/50 formula is ready to pour.
• Long-life protection rated for 6 years or 150,000 miles.
• Compatible with all coolant colors and engine types.
• Sold in 1-gallon containers.

Red Line SuperCool Extreme provides superior heat transfer by significantly reducing or eliminating the vapor barrier that forms on hot internal engine surfaces. This pre-mixed formula can lower coolant temperatures by up to 20°F compared to standard glycol-based solutions, making it a critical upgrade for high-performance motorcycles, ATVs, and karts.

Formulated without ethylene glycol, this coolant is blended with purified, deionized water and the precise percentage of Red Line WaterWetter for maximum efficiency. It is engineered for use in all modern cooling systems, including those utilizing aluminum, cast iron, copper, brass, and bronze components. Beyond temperature management, it actively cleans and lubricates water pump seals while protecting against rust, corrosion, and electrolysis.

• Reduces coolant temperatures by up to 20°F
• Pre-mixed and ready to pour; no dilution required
• Compatible with new or used antifreeze to improve heat transfer in glycol systems
• Satisfies ASTM D2570 and ASTM D1384 corrosion testing standards
• Glycol-free formula blended with purified, deionized water
• Protects against electrolysis and lubricates water pump seals
• Size: 1/2 Gallon (64 fl oz)

Red Line WaterWetter is a concentrated wetting agent that improves the heat transfer of your cooling system by reducing the surface tension of the coolant. This process eliminates the vapor barrier and localized bubbles that form on hot internal metal surfaces, which can reduce cylinder head temperatures by up to 20°F. Whether you are running a high-performance street engine or a dedicated track car, this additive ensures more efficient thermal management under high-load conditions.

• Reduces or eliminates the vapor barrier to drop coolant temperatures by up to 20°F.
• Improves heat transfer in both ethylene and propylene glycol systems.
• Compatible with all types of antifreeze, including DEX-COOL and long-life versions.
• Provides superior rust and corrosion protection, satisfying ASTM D2570 and ASTM D1384 standards.
• Allows for the safe use of straight water in racing environments or reduced glycol levels in warm climates.
• Formula contains no ethylene glycol.

Directions for Use: Use one 12oz bottle for most passenger cars and light trucks. For smaller cooling systems, use 1oz (approximately 3 to 4 capfuls) per quart of coolant. Vehicles with high-capacity cooling systems may require two bottles.

Mishimoto Liquid Chill Synthetic Engine Coolant provides advanced temperature regulation for all water-cooled engines. Formulated with a non-toxic propylene glycol base and Poly Organic Additive Technology (POAT), this coolant is engineered to reduce engine wear and drop operating temperatures. This formula meets or exceeds stock specifications and surpasses the testing requirements for ASTM D6210 and ASTM D3306 standards.

This coolant is premixed with deionized water for immediate use, preventing the mineral deposits associated with tap water. It offers an exceptional service life of up to 7 years or 750,000 miles in heavy-duty diesel applications, and over 2 years or 250,000 miles in light-duty gasoline engines.

• Temperature Protection: Protects against boilover to 265°F and freezing to -26°F (with 15 psi cap)
• Service Life: 7+ years or 750,000 miles (Diesel); 2+ years or 250,000 miles (Gasoline)
• Base Material: Non-toxic propylene glycol
• Additives: Poly organic additives (POAT) for superior corrosion resistance
• Compliance: Exceeds ASTM D6210 and ASTM D3306 coolant tests
• Ready to Use: Premixed with deionized water; no additional mixing required

Mishimoto Liquid Chill EG Engine Coolant is a high-performance ethylene glycol-based formula engineered for maximum heat transfer and comprehensive system protection. This 50/50 pre-diluted mixture is ready to use for complete cooling system flushes or quick top-offs, eliminating the need for measuring or mixing with distilled water. Formulated for universal compatibility with all coolant types, this yellow formula provides an extended 5-year or 150,000-mile service interval.

The advanced additive package provides superior anti-corrosion protection and essential lubrication for water pump seals, ensuring long-term reliability in both daily-driven and performance applications. With a wide thermal range, it maintains engine stability by offering freeze protection down to -34°F and boiling protection up to 265°F.

• Base Material: Ethylene Glycol (EG)
• Concentration: 50/50 Pre-Diluted
• Color: Yellow
• Service Life: 5 Years / 150,000 Miles
• Boiling Point: 265°F
• Freezing Point: -34°F
• Compliance: ASTM D3306, D6210, D4985, BS6580, and KS K2234
• Quantity: 1 Gallon

Formulated for select Dodge, Chrysler, Jeep, and RAM vehicles requiring purple coolant, Mishimoto Liquid Chill Original Equipment engine coolant provides a high-performance solution for cooling system maintenance. This ethylene glycol-based formula is pre-diluted in a 50/50 ratio, making it ready for immediate top-offs or complete system flushes without the need for additional mixing.

Engineered to meet specific manufacturer tolerances, this coolant is a direct equivalent to Mopar 68163848AA. It offers robust protection against boiling up to 265°F and freezing down to -34°F, while providing the lubrication and anti-corrosion properties necessary to protect internal engine components and water pump seals over an extended 5-year or 150,000-mile service interval.

• Size: 1 Gallon
• Color: Purple
• Concentration: 50/50 Pre-diluted
• Boiling Protection: Up to 265°F
• Freeze Protection: Down to -34°F
• OEM Equivalence: Mopar 68163848AA
• Standards Compliance: ASTM D3306, D6210, and D4985
• Service Life: 5 Years / 150,000 Miles

Mishimoto Liquid Chill Blue Engine Coolant is a 50/50 pre-diluted ethylene glycol formula engineered to meet the strict factory requirements of many European and Asian cooling systems. This formula eliminates the need for mixing, providing a ready-to-use solution for system top-offs or complete cooling system flushes in vehicles requiring blue coolant.

Designed for long-term reliability, this coolant offers an extended service interval of 5 years or 150,000 miles. It provides critical thermal protection against boiling up to 265°F and freezing down to -34°F. The specialized formula includes anti-corrosion additives and lubricants for the water pump, ensuring your cooling system components remain efficient and protected from cavitation and scale build-up.

• Fits select European and Asian vehicles from Acura, Honda, BMW, MINI, Mercedes-Benz, Subaru, Nissan, Infiniti, Jaguar, VW, Audi, and Porsche.
• Equivalencies: Acura/Honda Type 2, Porsche G11, Mercedes/Volvo/BMW/Mini G48, Subaru Super Coolant, Nissan/Infiniti Long Life Coolant
• Certifications: Meets ASTM D3306 and JIS K2234 specifications
• Pre-diluted 50/50 mixture for easy application
• Boiling Protection: Up to 265°F
• Freeze Protection: Down to -34°F
• Service Interval: 5 Years / 150,000 Miles
• Quantity: 1 Gallon

Mishimoto Liquid Chill Synthetic Engine Coolant provides superior thermal management for all water-cooled engines. This high-performance formula utilizes a non-toxic propylene glycol base combined with Poly Organic Additive Technology (POAT) to significantly reduce operating temperatures and minimize engine wear. Premixed with deionized water, this solution is ready for immediate use and requires no additional dilution.

Engineered to withstand extreme environments, Liquid Chill protects against boilover up to 265°F and freezing down to -26°F (when used with a 15 psi radiator cap). It is designed to meet or exceed OEM specifications and surpasses the testing standards for ASTM D6210 and ASTM D3306, making it an ideal choice for both high-performance street vehicles and heavy-duty diesel applications.

• Premixed with deionized water for immediate installation
• Propylene glycol base with Poly Organic Additive Technology (POAT)
• Boilover protection up to 265°F and freeze protection to -26°F (at 15 psi)
• Service life exceeds 750,000 miles (Heavy Duty) or 250,000 miles (Light Duty)
• Exceeds ASTM D6210 and ASTM D3306 coolant test specifications
• Corrosion-resistant formula reduces internal engine wear

Mishimoto Liquid Chill Synthetic Engine Coolant provides superior thermal management for both gasoline and diesel water-cooled engines. Formulated with a non-toxic propylene glycol base and Poly Organic Additive Technology (POAT), this premixed solution ensures your engine reaches operating temperature quickly while maintaining stability under extreme high-heat conditions. It is specifically engineered to meet or exceed ASTM D6210 and ASTM D3306 standards.

This 64oz container is ideal for dirt bike radiators, cooling system top-offs, or keeping in your service kit as an emergency spare. The proprietary formula protects against corrosion and cavitation without the use of nitrates, amines, phosphates, silicates, or borates. This eliminates the risk of scale buildup that often clogs thermostats and causes premature wear on water pump seals.

• Premixed with deionized water; ready for immediate use
• Protects against boilover to 265°F and freezing to -26°F (with 15 psi cap)
• Extended service life: up to 750,000 miles (HD diesel) or 250,000 miles (gasoline)
• Propylene glycol base with POAT additives for maximum cooling system longevity
• Inhibits corrosion and reduces engine wear in high-performance applications
• Safe for all water-cooled engines, including aluminum radiators

Mishimoto Liquid Chill is a high-performance radiator additive engineered to reduce engine temperatures by up to 30°F. This non-corrosive formula is safe for use in all coolant and water mixtures, making it a versatile solution for both street and track applications. Beyond cooling, it works to break down existing scale and buildup while providing a protective layer to prevent future corrosion within the cooling system.

• Reduces coolant temperatures by up to 30°F
• Non-corrosive and safe for all cooling systems
• Compatible with all coolant and water mixtures
• Formulated to reduce pre-existing buildup and prevent future corrosion
• Made in the USA

HKS Super Coolant Sport is engineered for high-performance vehicles and track-driven applications where thermal management is critical. This specialized formula improves heat exchange efficiency, ensuring stable engine temperatures during spirited driving and preventing localized boiling within the cooling jacket. This listing is for a bulk case of 24 individual 4-liter containers, ideal for race teams, shops, or fleet maintenance.

• Optimized heat dissipation for sport and high-load driving conditions
• Advanced anti-foaming properties to maintain water pump efficiency
• Provides superior protection against corrosion and cavitation within the engine block and radiator
• Volume: 4-liter (4L) jugs
• Minimum Order Quantity: 24 units (Full Case)
• Manufacturer Product Line: HKS Super Coolant Sport

HKS Super Coolant Sport provides the thermal stability required for engines operating under extreme stress, helping to maintain peak performance and protect internal components from heat-related damage.

Fits 2017-2021 Honda Civic Type R (FK8).

HKS Super Coolant Racing Pro is a high-performance cooling fluid engineered specifically for high-stress environments and circuit use. It provides superior heat dissipation compared to standard fluids, helping to stabilize engine temperatures in the FK8's K20C1 turbocharged engine during aggressive driving or extended track sessions.

• Formulated for maximum heat exchange and cooling efficiency
• Prevents cavitation and foaming under high-RPM water pump operation
• Non-amine type formula provides excellent anti-corrosion and anti-rust protection
• Pre-mixed and ready to use for cooling system maintenance
• Supplied in a 4L (4.2 quart) container

DEI Radiator Relief Chill Charger is a specialized additive engineered specifically for water-to-air intercooler systems in high-performance turbocharged and supercharged applications. By maximizing thermal transfer, this formula effectively lowers air intake temperatures (IATs) and reduces liquid heat soak, helping your forced induction system maintain peak performance even under heavy load.

Beyond cooling efficiency, Chill Charger provides critical protection for the intercooler core. The non-toxic, environmentally friendly chemistry prevents mineral buildup, electrolysis, and internal corrosion that can degrade cooling performance or lead to component failure over time.

• Maximizes thermal transfer to lower air intake temperatures
• Reduces liquid heat soak in turbo and supercharger systems
• Protects against core corrosion, electrolysis, and harmful mineral deposits
• Non-toxic and environmentally friendly formula
• Easy application: simply add to intercooler water reservoir
• Manufacturer Part Number: 40208
• Container Size: 16oz

DEI Radiator Relief Heater Hotter (MPN 40206) is a specialized chemical additive formulated to accelerate heat transfer from the engine to the antifreeze. By improving thermal efficiency in cold climates, this treatment allows the vehicle's HVAC system to reach operating temperature up to 50% faster, providing quicker window defrosting and interior warmth even in sub-zero conditions.

• Reduces engine warm-up time by up to 50%
• Accelerates window defrosting and ice melting for less scraping
• Compatible with all types of antifreeze and aluminum radiators
• Helps reduce cold-start engine wear by reaching operating temperatures sooner
• Performance remains stable and will not dissipate over time

For installation, pour the 16oz bottle directly into the radiator. The solution must cycle and mix thoroughly with the existing coolant before becoming fully effective. Note that the vehicle's cooling system and thermostat must be in proper working order for Heater Hotter to function as intended.

DEI Radiator Relief (40200) is a high-performance coolant additive designed to reduce engine operating temperatures by up to 30°F. By improving heat transfer efficiency through the radiator, this formula helps prevent overheating during extreme use and reduces the mechanical wear associated with high thermal loads. It is formulated to be compatible with all water-cooled engines and works with all types of anti-freeze mixtures and alloys, including aluminum, cast iron, copper, and brass.

Beyond temperature control, Radiator Relief acts as a comprehensive system treatment. It includes a corrosion inhibitor to balance acidic effects and prevent electrolytic damage, along with an anti-foaming agent to maintain consistent cooling performance. The 100% biodegradable, non-toxic formula also helps reduce pre-existing scale and mineral deposits while maintaining stable pH levels to prevent core damage over time.

• Reduces engine operating temperatures by up to 30°F
• Prevents electrolytic and chemical corrosion
• Includes anti-foaming agents and scale inhibitors
• Maintains stable pH levels to protect radiator cores
• Compatible with all anti-freeze and coolant additives
• Safe for all engine alloys (Aluminum, Cast Iron, Copper, Brass)
• 100% biodegradable, non-corrosive, and non-toxic
• Recommended dosage: 1 oz per quart of coolant
• Manufacturer Part Number: 40200