Give your engine bay a clean custom look with this Aeroflow air cleaner base, designed to suit an 11 inch diameter air filter. Stamped from high quality steel and finished in chrome, it offers strong construction with a polished appearance that complements a wide range of performance and street machines. This is the base only, making it ideal for builders wanting to pair it with their preferred filter element and top assembly.

Built to suit standard 5-1/8 inch carburettor necks, this flat base is compatible with all popular 4150 style carburettors measuring 130mm across the neck. It provides a reliable mounting foundation for your air cleaner setup while helping you achieve a neat, tidy installation. Whether you are refreshing an existing system or creating a custom combination, this base delivers the fitment and finish you need.

Features & Benefits

• Designed to suit an 11 inch diameter air filter
• Chrome plated finish for a clean custom appearance
• Stamped steel construction for strength and durability
• Flat base design for simple air cleaner assembly
• Suit 5-1/8 inch carburettor necks
• Compatible with popular standard 4150 carburettor applications