STAR TRON Synthetic Engine Coolant + Antifreeze - Maximum Horsepower & Year-Round Protection - 64 OZ

Engineered in partnership with the world's leading coolant additive formulators, STAR TRON Star Cool Premium Synthetic Engine Coolant + Antifreeze sets a new benchmark in coolant technology. Crafted with a propylene glycol base and cutting-edge poly organic additives (POAT), this advanced formula ensures optimal engine performance and unparalleled protection throughout the year.

Unleash the full potential of your engine with STAR TRON Star Cool, the ultimate solution for maintaining peak performance. This exceptional coolant not only guarantees your engine operates at its optimum temperature for maximum horsepower, but it also offers an extended service life that far exceeds OEM specifications, making it suitable for both gasoline and diesel engines.

STAR TRON Star Cool's innovative design provides unrivaled protection against corrosion, sealing pinhole leaks and small cracks, and is pre-mixed with de-ionized water for immediate use. Ideal for all water-cooled engines, it offers year-round protection, safeguarding against boil overs up to 265°F and freezing down to -26°F.

To ensure maximum engine performance, STAR TRON Star Cool is engineered with unique PCT additives that maintain optimal temperatures without compromising safety. Its extended service life and advanced protection, achieved through POAT technology, surpass OEM specifications with up to 2+ years of service, ensuring superior corrosion resistance and leak prevention.

Designed for compatibility across all engine types, the propylene glycol base of STAR TRON Star Cool ensures it won't clog the system, making it the perfect choice for high-performance gas and diesel engines. Its versatility allows for topping off or complete flush and fill, sealing pinhole leaks and small fissures to enhance cooling system integrity.

STAR TRON Star Cool meets and exceeds all industry standards, including OEM and ASTM specifications, ensuring reliability and performance across all 50 states. Proudly American-made by Star brite, a leader in marine, auto, RV, and home care since 1973, this trusted coolant offers unmatched quality and performance.

To prepare your cooling system for STAR TRON Star Cool, follow these simple steps: 1. Check the cooling system for leaks, loose connections, or worn parts. 2. Remove the radiator cap, open the radiator and engine block drains, and flush the system completely with clean water. 3. Close the radiator and engine block drains when all water is drained out of the system. 4. Fill the system with STAR TRON Star Cool Synthetic Engine Coolant, ensuring the level is slightly lower than the filler neck. Do not add water. 5. Run the engine for 5-10 minutes to reach normal temperature, allowing the thermostat to open and release any trapped air. If necessary, add more solution to fill the radiator. 6. Finally, replace the radiator cap and check for any leaks.

Unleash the full potential of your engine with STAR TRON Star Cool Premium Synthetic Engine Coolant + Antifreeze, the ultimate solution for maintaining peak performance and protection throughout the year.

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