9FFPRIM24 9Finger Fabrication, primary chain alignment tool

Achieving perfect drivetrain alignment is straightforward with this primary chain alignment tool from 9 Finger Fabrication. This tool is designed to simplify the process of aligning the engine sprocket, clutch basket, and primary chain whenever you are checking or replacing drivetrain components. It includes multiple standoff lengths, making it versatile enough to work on all Big Twin models with aluminum primary housings, ranging from 1966 Shovelheads all the way through to 2026 Milwaukee-Eight models. Whether you are performing a routine check or a full primary rebuild, this tool ensures your chain runs true, reducing wear and improving power delivery.