Holley 134-301SA Aluminum HP Main Body Retro-Fit Kit-650 CFM HP Main Body 650 Kit Converts 0-4777C, 0-4777S, 0-4777SA, 0-76650, &

Want 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 choke control to restrict airflow, they deliver extra power easily and affordably.

These aluminum main bodies are available in a shiny finish and come complete with all the parts necessary to take your carburetor to the next level!

Features and Benefits:

• Main bodies are factory assembled and kit includes new gaskets to complete the conversion New main jets are included, however further tuning may be necessary depending on the application Simple installation with common hand tools Pre-calibrated at the factory for optimum performance and drivability on a wide variety of applications Reduces turbulence and smooths air entry into the venturi Eliminates choke tower and associated hardware of standard Holley Double Pumper Eligible For Holley contingency programs

Details:

• CFM: 650.0
• Color: Polished
• Finish: Shiny
• Gasket Or Seal Included: Yes
• Grade Type: Performance
• Linkage Attached: No
• Material: Aluminum
• Mounting Hole Quantity: 4
• Warranty: Manufacturer's Limited 90 Day Warranty

Installation Guide: Download PDF

Installation / Product Video: Watch on YouTube

⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.