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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. The K/N Stubstack is designed to increase the airflow of carburetors.
California Proposition 65 Yes
Country of Origin (Primary) US
Harmonized Tariff Code (Schedule B) 3921190000
Hazardous Material Code N
Height 1.69 in (43 mm)
Height (in.) 1.688 in. (43mm)
Item Height 1.688 in. (43mm)
Item Weight 0.000 lbs. (0 kg)
Length 5.130 in. (130mm)
Length (in.) 5.13 in. (130 mm)
Length (mm) 5.13 in. (130 mm)
Life Cycle Status Code Available to Order
Material Polyurethane
Material Used Polyurethane
NAFTA Preference Criterion Code B
Package Content 1
Package Material Plastic Other
Package Quantity 1
Package Type Bag
Product Box Height 3.700 in. (94mm)
Product Box Length 10.400 in. (264mm)
Product Box Width 10.100 in. (257 mm)
Product Style Accessories
Prop 65 (C, R or CR) CR
Prop 65 - Short Label WARNING: Cancer and Reproductive Harm -
Prop 65 Warning WARNING: Cancer and Reproductive Harm -
Prop 65 Warning Label
Prop 65 Yes/No Yes
SDR Required Flag N
WARNING CA Proposition 65 Yes
WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm -
Warranty 3 Months
Warranty Time 3
Weight 0 lb (0 kg)
Width 5.130 in. (130mm)
Width (in.) 5.13 in. (130 mm)

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K&N 85-0400 Stubstack Air Horn

Product Information

  • Brand: K&N
  • Product Number: 85-0400
The AAM Group™ Proposition 65
Proposition 65 warning graphic (For California Residents)
WARNING: Cancer and Reproductive Harm -