Holley HP MAIN BODY UP-GRADE - POLISHED
HP Main Body Retro Fit Kit
HP Main Body Retro Fit Kit For Holley Double Pumper® Carburetors
This retrofit main body kit converts 0-4777S (650 CFM), 0-4778S (700 CFM), and 0-4779S (750 CFM) carburetors to a 750 CFM HP main body for increased horsepower, torque & airflow.
Features:
- All Necessary Parts Are Included
- 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 Smoothes Air Entry Into The Venturi
- Eliminates Choke Tower and Associated Hardware of Standard Holley Double Pumper®
- Eligible For Holley Contingency Programs
Holley HP MAIN BODY UP-GRADE - POLISHED
Sale price$314.80 USD