ATI Shell Assy - 7.425 - Steel - 6Grv - Duramax Neutral Balance Hw Inertia - 2001-2015+

ATI is well-known for making high-performance harmonic dampers and other engine components. This specific shell assembly, part number 917377NBS, is designed for Duramax engines from 2001 through 2015 and beyond. It's a crucial part for maintaining engine balance and reducing torsional vibrations.

This damper features a 7.425-inch steel shell with a 6-groove design for the accessory belt. It's built with a neutral balance and includes hardware for inertia, which helps to smooth out the engine's rotation. A well-built damper like this is important for the longevity of your Duramax engine, especially if you're pushing it hard or have made significant modifications.

When installing this damper, ensure you have the correct tools to properly seat it on the crankshaft. Refer to the manufacturer's installation instructions for specific details to ensure a correct and safe installation.