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K&N Stubstack Air Horn - 85-0500

K&N Stubstack Air Horn - 85-0500
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K&N 85-0500 - Single

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Description:
K&N Stubstack Air Horn - 85-0500

This K&N Stubstack® is designed to be used on Holley® 390-850 cfm square bore carbs (4150/4160)that have had the choke horn milled off but do not use an air cleaner. The full radius design helps to increase the airflow for drag racing. Will also hold down the base plate of a cold air scoop. Will not work with K&N Custom Chrome Racing Air Cleaners. The K&N Stubstack is designed to increase the airflow of carburettors by decreasing the restriction around the choke horn. The stubstack fits inside the air cleaner housing and slides snugly down over the choke horn.

Please contact us if you need more help.

Benefits:

  • Fits Holley 4150/4160 carburetors with the choke horn milled off
  • For use without an air cleanerbut will hold down a cold air scoop
  • Increases the airflow by reducing restriction
  • Reduces turbulenceimproves metering accuracy

    Technical Information:

    • Height: 0.56 in (14 mm)
    • Length: 6.54 in (166 mm)
    • Material Used: Polyurethane
    • Package Quantity: 1
    • Product Box Height: 2 in (51 mm)
    • Product Box Length: 6.5 in (165 mm)
    • Product Box Width: 6.5 in (165 mm)
    • Product Style: Accessories
    • Weight: 0.3 lb (0.1 kg)
    • Width: 6.54 in (166 mm)

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