Protective Carburetor Storage: Safely stores and protects your two- or four-barrel Holley 4150 series carburetor from dust, debris, and damage during transport or storage. Heavy-Duty Plastic Construction: Built from durable molded plastic that withstands shop environments, ensuring long-term protection and reliability for your carburetor. Clean and Organized Solution: Helps maintain a clean, clutter-free workspace by keeping your carburetor neatly stored and easy to access when needed. Shop and Toolbox Friendly: Compact design fits easily in your toolbox, trailer, or on your workbench—ideal for racers, restorers, and performance enthusiasts. Model Compatibility Notice: Designed specifically for Holley 4150 series carburetors; not recommended for use with larger 4500 series Holley Dominator models. This heavy duty plastic carb box allows you to keep your 2 or 4 barrel Holly carb clean and safe.