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    The Tusk High Pressure Radiator Cap is the simplest and most inexpensive way to reduce your motorcycle or ATV from boiling over.

    Key Features

    • Higher pressure radiator — Higher pressure radiator cap increases the boiling point of your coolant to reduce boil over problems on your motorcycle or ATV.
    • Perfect for 4-stroke — Perfect for 4-stroke and 2-stroke motorcycles, ATV's, and UTV's.
    • The Tusk High — The Tusk High Pressure Radiator cap raises your cooling system's maximum operating pressure and therefore raises the boiling point of your coolant.

    Details

    This is a perfect upgrade for most motorcycle and ATV radiators with stock caps.

    Fitment: 1981–2026 models across Arctic Cat, Can-Am, Honda, Kawasaki, Polaris, and Yamaha. See the Fitment tab for the full model list.

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      California Prop 65 Warning

      ⚠️ WARNING: This product & Others sold on this website may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit https://www.p65warnings.ca.gov/