Holley 0-80555S 650 CFM Aluminum Spread-Bore 4175 Carburetor

Holley designed this 0-80555S 650 CFM Aluminum Spread-Bore Carburetor with vacuum secondaries and an electric choke, so it is useable on a wide variety of vehicles. Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's.

Important Notes: The 0-80555S is a Model 4175 designed to fit GM spread bore passenger car and light truck applications. It is not compatible with Ford or Chrysler Spread bore applications. The 0-80555S is not recommended for any RV applications. The 0-80555S is not designed to pass any emission laws. The 0-80555S is to be used only for Uncontrolled (Non-Emmisions Controlled) Vehicles or competition/off road vehicles.

Features:

• 650 CFM
• Spread-Bore Design
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
• Factory preset electric choke for easy startups
• Single feed fuel inlet for easy installation
• Universal calibration for easy bolt-on performance
• Universal performance replacement for Q-Jet and other Spread-Bore carbs (4.25" wide spread bore bolt pattern)
• Vacuum secondaries for use on wide variety of vehicles. Compensate for all vehicle weights, gearing & transmissions to allow smooth opening of secondaries.
• Vibratory polished aluminum for good looks, weight savings and long lasting shine