Radiator Caps

Cool but also functional, an aftermarket radiator cap controls water pressure inside the cooling system by increasing the boiling point of the coolant. This results in a decrease in bubbles formed in your coolant.

Radiator Caps

Cool but also functional, an aftermarket radiator cap controls water pressure inside the cooling system by increasing the boiling point of the coolant. This results in a decrease in bubbles formed in your coolant.

Showing 1 - 14 of 14 items
  • $30.00

    BLTZ-18560

    The Blitz 1.3 Bar Radiator Cap has an increased opening pressure to help prevent boiling of the engine coolant until a higher temperature is reached. This helps keep the coolant circulating longer before it starts going into the overflow. Fits all current Subaru's and Nissan Models. This cap will not fit the BRZ/FR-S twins. Vehicles listed in the...

  • $32.30

    CUSC-00B 050 B13

    Raise the boiling point of your coolant for increased cooling efficiency and prevention of overheating with the Cusco High Pressure Radiator Cap. Utilizing a reinforced main pressure valve spring and silicon seals, the internal pressure of the radiator is increased, resulting in a higher boiling point.

  • $35.00

    GRDY-13901001

    The GReddy 1.3 Bar radiator cap has an increased opening pressure to help prevent pre-mature boiling of the engine coolant. This helps the coolant cool down more efficiently. It's also a great way to spice up the engine bay!  The Type-N radiator cap fits most Hondas as well as many Toyotas and Scions. Vehicles listed in the application tab still may not...

  • $33.00

    GRDY-13901000

    The Greddy 1.3 Bar radiator cap has an increased opening pressure to help prevent pre-mature boiling of the engine coolant. This helps the coolant cool down more efficiently. It's also a great way to spice up the engine bay!  This cap will not fit the BRZ/FR-S twins. Vehicles listed in the application tab still may not fit this product. Please do your own...

  • $40.00

    KOYO-SK-D13

    Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases the boiling point of water and relieves high performance engines of excessive heat. A genuine Koyorad...

  • $30.00

    KOYO-SK-C13

    Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases the boiling point of water and relieves high performance engines of excessive heat. A genuine Koyorad...

  • $30.00

    MISH-MMRC-13L

    Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becomes highly pressurized. Stock caps are not equipped to handle higher pressure, causing fluid to leak out into the overflow reservoir. The Mishimoto High-Pressure 1.3 Bar Radiator Cap is rated at a higher...

  • $30.00

    MISH-MMRC-13-SM

    Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becomes highly pressurized. Stock caps are not equipped to handle higher pressure, causing fluid to leak out into the overflow reservoir. The Mishimoto High-Pressure 1.3 Bar Radiator Cap will keep coolant where it...

  • $41.00

    COSW-20027841

    Cosworth High Pressure Radiator caps are engineered to increase the boiling point in your vehicles cooling system providing improved cooling efficiency. Each cap is manufactured from heavy gauge stainless steel with a race proven high pressure valve. The Cosworth High Pressure Radiator Cap is an essential part of an upgraded cooling system and will help...

  • $76.95

    SPT-ST4511355010

    Improve your cooling system while spicing up your engine bay with a Subaru Genuine Cherry Blossom Rose radiator cap. This cap is a higher pressure then the cap that came stock on your vehicle. By raising the pressure in the cooling system you raise the temperature at which it boils allowing it to hold in more heat. Some Subaru models have 2 caps, if you...

  • $35.00

    SKU2-359-99-0010

    Increase your radiator pressure and cooling system boiling point for unsurpassed efficiency.

  • $35.00

    ZERO-0308004

    The Zero/Sports Radiator Cap controls the water pressure in the cooling system by increasing the boiling point of the coolant. By increasing the boiling point, you decrease the amount of air bubbles that form in the coolant. Air is less effective at removing heat from the engine than coolant, so by reducing the air in your system, your coolant can more...

  • $30.00

    PROV-10000SP0020

    Raise the boiling point of your coolant for increased cooling efficiency and prevention of overheating with the Prova High Pressure Radiator Cap. Utilizing a reinforced main pressure valve spring and silicon seals, the internal pressure of the radiator is increased, resulting in a higher boiling point.  When coolant boils, small air pockets are created....

  • $34.00

    CUSC-00B 050 A13

    Raise the boiling point of your coolant for increased cooling efficiency and prevention of overheating with the Cusco High Pressure Radiator Cap. Utilizing a reinforced main pressure valve spring and silicon seals, the internal pressure of the radiator is increased, resulting in a higher boiling point.  This cap will not fit the BRZ/FR-S twins. Vehicles...

Showing 1 - 14 of 14 items

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