Holley Ultra Street Avenger Model 4150 670 CFM 4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Silver / Blue HASZ20CLAF 4 Inflate Actuators / 4

4 Inflate Actuators / 4 Deflate Actuators

Upper Only

1989-1992 Audi 80

The internal shape of the adapters were designed on solid modeling software that allows the transition to be made in the most efficient manner possible to prevent mixture separation and improve overall air flow and distribution

Fits Yamaha 06-09 R6R

Holley Ultra Street Avenger Model 4150 670 CFM 4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Silver / Blue HASZ20CLAF 4 Inflate Actuators / 4Holley Ultra Street Avenger Carburetor 0 86670BL 4 bbl 670 CFM Model 4150 Blue Anodized Billet Alum Metering Block Base Plate w Gold Hardware Vacuum Secondary Electric Choke Aluminum Ultra High Strength And Durability Ultra Cool Modernized Looks 4 Corner Idle 4 Vacuum Ports Factory Pre Set Electric Choke Precise Idle Control And Stability Clean Safe Performance Easy To Install And Understand Holley has been the undisputed leader in fuel systems for