Radiator Caps

  • Mugen B2 Radiator Cap
    Mugen B2 Radiator Cap

    Free Shipping in the Continental US

     A high-pressure type radiator cap that increases the pressure inside the radiator to raise the boiling point of the coolant and improve cooling efficiency. 1.3kgf/cm2 compared to the normal 1.1kgf/cm2. Demonstrates its power during high loads such as sports driving.

    Price: $59.00
  • Mugen Radiator Cap
    Mugen Radiator Cap

    Free Shipping in the Continental US

    Fits the stock OEM radiator. A high-pressure type radiator cap that increases the pressure inside the radiator to raise the boiling point of the coolant and improve cooling efficiency. 1.3kgf/cm2 compared to the normal 1.1kgf/cm2. Demonstrates its power during high loads such as sports driving.

    The B2 version (linked below) fits the aftermarket aluminum radiators
    as well as 10th and 11th Gen Civics and the new Integra and Type S.

    Price: $40.00
  • Radium Radiator Caps
    Radium Radiator Caps
    Radium 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. Each OEM replacement radiator cap is manufactured from stamped stainless steel for durability and feature silicone sealing elements that are superior to natural rubber gaskets.

    Available in 3 pressure ratings: 1.1Bar (16.0psi), 1.3Bar (18.9psi), and 1.5Bar (21.8psi). A higher radiator coolant pressure effectively raises the boiling temperature of the coolant, providing extra safety margin and preventing air pocket cavitation at the water pump. Also available in 2 common styles (Type-A and Type-B). Radium radiator caps are designed for mini size (32mm ID) radiator necks only. Please confirm what style your radiator uses prior to ordering.
    Price: $29.95
  • Skunk2 Radiator Cap
    Price: $30.99
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