Skip to content
K&N Holley Substack KN85-0400

K&N Holley Substack KN85-0400

KN85-0400 - 4150/4160 STUBSTACK (MILLED)
SKU KN85-0400
by K&N
Sold out
$55.91 - $55.91
$55.91
$55.91
$55.91 - $55.91
$55.91
Availability:
Out of stock
K&N Holley Substack

Fits 4150/4160 390-850 HP 4BBL Carburettors With No Choke Horn -

KN85-0400

85-0400

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 carburettors by decreasing the restriction around the choke horn. Part KN85-0400 Product Specifications Height: 1.69 in (43 mm) Length: 5.13 in (130 mm) Material Used: Polyurethane