Genuine Harley-Davidson OEM Twin Cam front cylinder head part number 16723-99 for 1999-2006 applications.

Used condition with normal wear from age and use. Combustion chamber, ports, and fin areas shown clearly in photos. Threads and sealing surfaces should be inspected prior to installation. Great replacement head for rebuild projects, repairs, or performance work.

Includes only the cylinder head shown in photos. No valves, springs, or additional hardware guaranteed unless pictured. Humans love buying half-finished engine projects and then acting surprised when they become emotional support paperweights. At least this one still looks usable.

Please verify fitment and inspect all photos carefully before purchase.

Problems/Flags

• Used condition
• Surface wear and cosmetic imperfections present
• Verify threads and sealing surfaces before install
• Verify fitment before purchase

The OEM 1999-2006 Harley-Davidson Twin Cam Front Cylinder Head 16723-99 is a high-quality aluminum cylinder head designed specifically for street motorcycles. Made by Harley-Davidson in the United States, this unit is a genuine part with the manufacturer part number 16723-99. It comes unfinished and weighs oem, making it a perfect fit for those looking to replace their worn-out or damaged cylinder head. With a California Prop 65 Warning, this front cylinder head is a reliable and durable choice for motorcycle enthusiasts.