Filters
K&N 85-0500
Stubstack Air Horn; This K&N Stubstack air filter 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.
K&N 85-5039
Stubstack Air Horn; This K&N Stubstack fits 1-1/2 inch SU carburetors of type H4, HS4, HIF14, HIF38, and HIF4. K&N Stubstacks are designed to increase the airflow of carburetors by decreasing the restriction around the choke horn.
K&N 85-0200
Stubstack Air Horn; Fits most Holley 4150 and some 4160 Series carburetors with high and low choke horns. The 85-0200 is designed to fit 4 barrel popular models in this series. Holley carburetor list numbers are stamped on the choke horn.
K&N 85-0210
Stubstack Air Horn; This K&N Stubstack fits most Holley 2300 Series carburetors. Holley carburetor list numbers are stamped on the choke horn. The Stubstack is designed to increase the airflow of carburetors by decreasing the restriction around the choke horn.
K&N 85-0400
Stubstack Air Horn; 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.
K&N 85-0600
Stubstack Air Horn; This K&N Stubstack is designed to be used on Holley 1050 & 1150 cfm Dominator carbs. Will not allow use of a standard air cleaner housing, but it will hold down the base plate of a cold air scoop.
K&N 85-0700
Stubstack Air Horn; Fits most Edelbrock Square-Bore carburetors. This stubstack is designed to fit most models within this series. It straightens and speeds up airflow, reduces turbulence, improves metering accuracy and increases airflow.
