These highly polished, aluminum velocity stacks increase carburetor intake speed and capacity to maximize horsepower. 5 inch Tall x 8-1/2 inch Diameter
Product Features:- Fits Holley Carburetors w/ 5-1/8" Neck Diameter
- Made from 1100-o Aluminum .050" thick
- 5.00" Tall
- 8-1/2" Wide at Top