Our Patented Cor-Guard® Technology (our best coolant innovation in decades) works with all new engines, and also is backward compatible - providing instant protection in older engines. Prestone All Vehicles antifreeze+coolant - Ready To Use (50/50 Prediluted) is our optimized formula for All Vehicles makes, models, years & fluid colors. Can be used for top-off, complete drain and refill or flush and refill of the cooling system. Must mix with distilled to the desired mix ratio of EG & water. Includes patented Prestone CorGuard technology, our best advancement in cooling system parts protection that protects against rust and corrosion of all cooling system metals, including aluminum.Longer Engine Life Guarantee - 10 Years, 300,000 mile Extended life formula.Works with all fluid colors All OAT, POAT, HOAT & IAT. This patented fluid is designed to last 10 years / 300,000 miles and will protect the internal parts of the engine for 10 years / 300,000 miles.

Using Prestone Antifreeze+Coolant protects against engine issues and those inconveniences. Internal engine damage can cause parts failure, resulting in expensive auto repair shop bills and downtime inconveniences. No matter what type of coolant is currently in your engine, a Single Top-off of Patented Cor-Guard® Technology instantly protects parts better from corrosion, buildup, pitting, scaling, rust and other damage a complete replacement of all coolant protects to the maximum. Not only does Prestone Coolant Technology manage engine temperature all year round and protects against freezing, it also uniquely protects the engine from serious damage.

Prestone All Vehicles antifreeze+coolant - Concentrate is our optimized formula for All Vehicles makes, models, years & fluid colors.

1957 triumph tr3a