They are designed to be exact replacements for your existing Holley 3310 model 4160 series carburetor, so they don't require any modifications to install them correctly. Manufactured from quality die-cast zinc with a gold iridite finish, this Holley replacement metering block will keep your carburetor running correctly.

Features:
  • Gaskets Included
  • They are designed to be exact replacements for your existing Holley 3310 model 4160 series carburetor, so they don't require any modifications to install them correctly. Manufactured from quality die-cast zinc with a gold iridite finish, this Holley replacement metering block will keep your carburetor running correctly.

    Features:
  • Gaskets Included