Proheader PA706 - Smooth Aluminum Shotgun Air Scoop Single or Dual 4 Barrel Carb Smooth Aluminum Shotgun Air Hood Scoop, Single or Dual 4 Barrel Carb Setup most aggressive air scoop. Works with race cars or classic show cars, to give it that extra drag look. Top notch quality in the craftsmanship of this piece. Comes with premium polished butterflies. Plus this cleaner includes Air filters and studs. Application info: Quantity: Individual Carburetor Quantity: Single or Dual