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K&N 85-0500 - K&N Stubstacks

  • Stubstack, Polyurethane, Black, Holley, 4150/4160, with Milled Air Horn, Each
  • Application Specific
  • Estimated Ship Date: Today
 
BrandK&N
Manufacturer's Part Number85-0500
Part TypeCarburetor Stubstacks
Product LineK&N Stubstacks
Summit Racing Part NumberKNN-85-0500
UPC024844000736
 
Requires Choke Horn Milled OffYes
Fits with Air CleanerNo
Stubstack MaterialPolyurethane
Stubstack FinishBlack
QuantitySold individually.
NotesRequires milled off air horn, will not work with air filter.
 

These K&N Stubstacks reduce turbulence, improve metering accuracy, and straighten and increase the airflow by reducing restrictions. Hot Rod magazine's flowbench testing recorded an airflow increase of 28 cfm on a 650 cfm carb, and 40 cfm on an 850. This extra airflow builds up to 10 percent more horses. They fit standard bore Holley carbs, and work best with 4 in. or 5 in. tall elements.

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