Holley - Holley Aluminum HP Main Body Retro-Fit Kit-650 CFM 3 L - GM V8

3 L - GM V8 - GM Fullsize Truck 2014-18 - Kit

All of these procedures are necessary to produce the strongest

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Holley - Holley Aluminum HP Main Body Retro-Fit Kit-650 CFM 3 L - GM V8Want to upgrade your street carburetor to a high performance race carb, but don't have the means to do a complete carb swap? If you can turn a screwdriver, you can get increased horse power from the new Holley Aluminum HP carburetor main bodies. These aluminum HP main body retrofit kits convert your existing 650, 750, or 850 cfm double pumper to an aluminum HP main body for increased horsepower, torque & airflow. With no air horn, choke tower, or