{"product_id":"k-n-85-0400-stubstack-air-horn","title":"K\u0026N - 85-0400 K\u0026N Stubstack Air Horn","description":"\u003cp\u003eThis K\u0026amp;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\u0026amp;N Custom Chrome Racing Air Cleaners, including Tall Velocity Stack Air Cleaners. The K\u0026amp;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\u003c\/p\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":40394934255697,"sku":"KN85-0400","price":68.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2115\/6365\/products\/85-0400.jpg?v=1695135069","url":"https:\/\/longboostperformance.com\/products\/k-n-85-0400-stubstack-air-horn","provider":"LongBoost Performance Parts","version":"1.0","type":"link"}