K&N 85-0400

Performance Products > Stubstack Air Horn
List Price: $36.67
Your Price: USD $26.99

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This K&N Stubstack® is designed to be used with Holley® 390-850 cfm square bore carbs (4150/4160), that have had the choke horn milled off and still use an air cleaner. Eliminates the need for hand polishing and radius work. Will work with all K&N Custom Chrome Racing Air Cleaners, including Tall Velocity Stack Air Cleaners. The K&N Stubstack is designed to increase the airflow of carburetors by decreasing the restriction around the choke horn.

  • Fits Holley 4150/4160 carburetors with the choke horn milled off
  • Fits inside the air cleaner housing
  • Increases the airflow by reducing restriction
  • Reduces turbulence, improves metering accuracy

Available Information

Product Specifications

Height1.69 in (43 mm)
Length5.13 in (130 mm)
Material UsedPolyurethane
Package Quantity1
Product Box Height3.7 in (94 mm)
Product Box Length10.4 in (264 mm)
Product Box Width10.1 in (257 mm)
Product StyleAccessories
Weight0 lb (0 kg)
Width5.13 in (130 mm)