Throttle BODY Kit Carburetor Base Plate Assembly for 4150 Series 650 CFM Double Pumper HolleyHolley carburetor base plate assemblies are designed for replacement of damaged or worn components. These base plates are manufactured from cast aluminum for durability and good looks. This kit includes (1) Throttle Body Assembly and (1) Throttle Body Gasket Replacement Component for Holley Double Pumper 0 4777C Features and Benefits: 0 4777S Details: Color: Silver Material: Aluminum Mounting Hardware Included: No Universal Or Specific Fit: Specific