Chase Bays high performance radiator caps are engineered to improve cooling efficiency. The radiator cap is an essential part of an upgraded cooling system and will help to safely maximize engine performance by controlling the coolant boiling point. If your cap has too low...

High 1.3bar (18.85PSI) pressure rating Matte black finish Bolts on in 5 min! Description Vehicle Fitment The cooling system of your car is one of the most important parts, without one your engine would be useless in minutes. Many people change the cap for...

Our high performance radiator cap will not only improve the appearance of your vehicle’s engine bay, but it will also play a vital role in improving the efficiency of your engine's cooling system.The SpeedFactory Racing 1.3 Bar High Performance Radiator Cap allows your vehicle’s...

Fits All SpeedFactory Radiator Filler necks! Our high performance radiator cap will not only improve the appearance of your vehicle’s engine bay, but it will also play a vital role in improving the efficiency of your engine's cooling system. The SpeedFactory Racing 1.3 Bar...

Skunk2’s Fine Tuning products and accessories, like its high-pressure Radiator Caps, help put the finishing touches onto your vehicle you work so hard to make perform well. Skunk2 Radiator Caps increase internal radiator pressure, which results in a higher coolant boiling point and a...

Skunk2’s Fine Tuning products and accessories, like its high-pressure Radiator Caps, help put the finishing touches onto your vehicle you work so hard to make perform well. Skunk2 Radiator Caps increase internal radiator pressure, which results in a higher coolant boiling point and a...

Even when coolant begins to heat up, pressure begins to build inside the radiator.  BLOX Racing’s high pressure radiator caps ensure that this pressure is properly relieved so excess heat is spent and fluids flow into the overflow tank. Standard caps are designed to...