Holley Carburetor Main Body - Converts Standard 4777/76650/76651 Carb to HP - Aluminum - Silver - Holley 650 CFM Carburetors H760001S Installation Notes: Port flanges have

Installation Notes: Port flanges have machined grooves to accept stock port seals

Carb recommendations: Edelbrock AVS2 or Performer Series 750-800cfm

Must use factory firing order

2017-2019 GMC Sierra 2500 HD SLE DIESEL Double Cab Pickup

Steel diaper pins are zinc coated and have a locking feature to keep secured in place

Holley Carburetor Main Body - Converts Standard 4777/76650/76651 Carb to HP - Aluminum - Silver - Holley 650 CFM Carburetors H760001S Installation Notes: Port flanges haveCarburetor Main Body 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 Product