Edelbrock Cooling System Upgrade Kit #15804 For 2005-06 Ford Mustang GT

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Edelbrock Part #15804 Cooling System Upgrade kit is necessary when installing Edelbrock Supercharger System #1580 or #1585 in a 2005-06 Mustang GT. This kit relocates the thermostat from the cold side of the radiator to the hot side for improved cooling. Kit contains all necessary hoses, clamps and hardware.

Documents & Installation Notes


Availability Available
Application Application Specific
UPC 00085347158041
Clamps Included Yes
Mounting Hardware Included Yes
Quantity Kit
Attachment Type Clamp-On
Availability Note Available to Order
Warranty 12 Months
Hazardous Materials Warning WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Vehicles that require the #15804 kit should refer to the cooling system portion of the #1580/#1585 Installation Instructions for the proper installation procedure for the thermostat and related components.
  • This kit includes supplemental hardware for installing the #1580/#1585 Edelbrock Supercharger Systems on 2005 & 2006 model year Mustangs. These components are required for installation and should be purchased before beginning the supercharger installation.
Material Silicone
Universal Or Specific Fit Specific