1964-77 Chevelle Air Horn, Stubstack High-Performance Holley Carbs

Quickly increases airflow

• NOTES
• NOTE¹: Stubstack will only work on 4150/4160 Holley carburetors with or without a choke horn.
• NOTE²: These high-performance items are not eligible for any further discounts or promotional pricing.

K&N's Stubstack is designed to reduce turbulence and increase airflow into your carburetor. Available for either Holley or Edelbrock carburetors, the unit fits inside the air cleaner housing and slides snugly over the choke horn. Test results have shown up to 40 CFM increase in airflow, which can translate into a 10% horsepower gain just by using the Stubstack. Pick one up today and increase your cars power and performance.