Weiand 2x4 Hilborn Style Air Scoop

Weiand Hilborn Style "2x4" Air Scoop, Polished Cast Aluminum, Dimensions: 20.5" x 10" x 6". Adjustable to accommodate 8-1/2" to 10" center-to-center carburetor spacing.

PART# 7221

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Not legal for sale or use in California on any pollution controlled motor vehicles


Highly Polished Cast Aluminum Castings Look Great On A Supercharger Installation Or Can Be Used On A Carburetor Alone.


  • High Quality Polished Casting
  • Greater Frontal Area
  • Increases Air Intake
  • Adjustable Bases
  • All Hardware Included
  • Filter Element is 6.5" x 2.5"


Emission Code3
Filter Height2.5"
Filter TypeReplacement Element
MaterialCast Aluminum
Product TypeAir Scoop
Size20.5" x 10" x 6"
Part Number7221

Service Parts


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

Tech Resources

Not legal for sale or use in California on any pollution controlled motor vehicles
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      Some parts are not legal for use in California or other states with similar regulations.