Jims Cylinder Hold Down Tool for Harley-Davidson Twin Cam and Milwaukee Eight Engines 5809

Head work on Twin Cam and Milwaukee Eight engines demands precision—misaligned cylinders during installation can compromise ring seating and lead to costly leaks or damage. The JIMS Cylinder Hold Down Tool 5809 eliminates guesswork by securing cylinders in their exact position while you work, reducing installation time and ensuring proper alignment every time. If you're performing routine head service or a complete top-end rebuild, this tool pays for itself in saved labor and peace of mind.

Designed specifically for Harley-Davidson's modern big-twin platforms, this U.S.-manufactured tool features dual-threaded ends—one optimized for Twin Cam engines and the other for Milwaukee Eight models. This dual-design approach means you're not forcing incompatible threads or relying on workarounds; the tool simply screws in and holds with the precision these engines demand. Whether you're a shop mechanic working on multiple builds or a dedicated DIYer tackling your own motor, this tool transforms a finicky operation into a straightforward, repeatable process.

• Twin Cam compatible
• Milwaukee Eight compatible
• Dual-threaded design
• Secures cylinder alignment
• Facilitates ring installation
• U.S.A. manufactured
• Bolt-on installation
• Part number 5809