Holley 750cfm Model 4160 Aluminum Street Carburetor Vac Sec # HO0-3310S Rate_12 and the primary venturi booster

and the primary venturi booster is a bottom-feed design for smoother acceleration and better drivability

Valve Cover Gasket Set for Big Block Chevrolet

Number of Barrels:4

The covers are removable for access to the virtually maintenance-free shifter sub-assembly and will not gum up with dirt affecting shift performance

Holley 750cfm Model 4160 Aluminum Street Carburetor Vac Sec # HO0-3310S Rate_12 and the primary venturi boosterCarburetor, Model 4160, 750 cfm, Square Bore, Manual Choke, 4 Barrel, Vacuum, Dual Inlet, Aluminum, Each CFM: 750 Fuel: Gasoline New or Remanufactured: New Number of Barrels: 4 Carburetor Flange: Square bore Choke: Manual Secondary Type: Vacuum Fuel Inlet: Dual Carburetor Finish: Tumble polished Ford Kickdown: Yes Throttle Linkage Type: Universal Carburetor Height (in): 3. 250 in. Quantity: Sold individually. Notes: 8. 800 in. fuel line center to