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  • Radium Radiator Cap, Type-A, 1.5Bar, 21.8psi, Black
    Radium Radiator Cap, Type-A, 1.5Bar, 21.8psi, Black
    Radium Radiator Cap, Type-A, 1.5Bar, 21.8psi, Black
    Radium Radiator Cap, Type-A, 1.5Bar, 21.8psi, Black
    Radium Radiator Cap, Type-A, 1.5Bar, 21.8psi, Black
    Radium Radiator Cap, Type-A, 1.5Bar, 21.8psi, Black

    Radium Radiator Cap, Type-A, 1.5Bar, 21.8psi, Black

    $57.95

    Note: Check radiator cap type before purchasing.
    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.
    Below are popular vehicles with their respective radiator cap style that is used from the OEM factory. NOTE: there are many vehicles not listed below that use one of these radiator cap styles.

    If you have a deadline to meet, please confirm that we have stock ready for dispatch to avoid disappointment!

    FREE SHIPPING ON ORDERS OVER $1200!**

    Product Info

    Type-A
    1990-1993 Honda Integra
    1991-2005 Honda NSX
    1990-1993 Honda Accord
    1988-1991 Honda Civic
    2016-2019 Honda Civic
    1988-1991 Honda CRX
    1992-2001 Honda Prelude
    2003-2008 Infiniti G35
    2008-up Infiniti G37
    2014-up Infiniti Q50
    2014-up Infiniti Q60
    1992-2000 Lexus SC400
    1990-1995 Mazda Cosmo
    1990-2005 Mazda Miata
    2006-up Mazda MX-5
    1986-2002 Mazda RX-7
    2004-2011 Mazda RX-8
    1991-1999 Mitsubishi 3000GT
    1990-1999 Mitsubishi Eclipse
    1989-1998 Nissan 180SX
    1989-1998 Nissan 200SX
    1989-1998 Nissan 240SX
    1990-1996 Nissan 300ZX
    2003-2009 Nissan 350Z
    2009-up Nissan 370Z
    2005-up Nissan Frontier
    2009-up Nissan GT-R
    1989-2002 Nissan Silvia
    1989-2002 Nissan Skyline
    1993-up Subaru Impreza
    1990-up Subaru Legacy
    2015-up Subaru WRX STi
    2015-up Subaru WRX
    1982-1995 Toyota Celica
    1985-1995 Toyota MR2
    1986-1992 Toyota Supra

    Shipping & Returns

    Free Shipping does not apply to some heavy items, for example: Wisefab & BC Racing are included for free shipping, NPC and some PWR are not included.

    Shipping times may vary depending on your location, however the majority of packages are received within 3-5 business days of dispatch!

    We dispatch 5 days a week, and aim to process all orders within 24hrs*

    On weekends and public holidays, orders will be processed next business day.

    *order processing may be delayed during sale events or holiday periods.

    Payment Methods

    We accept all major payment methods including Visa, Mastercard, AMEX & Paypal.

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