ATI Damper - 6.73in - Alum - 8 Grv - LS7 - Y Body - Gen 5 Z28 - LS3 - 10 Per UD - No A/C - 3 Ring

This ATI 918620UN crankshaft damper is what you get when you need to manage torsional vibrations in high-performance LS engines. It's designed for LS7, Y Body, Gen 5 Z28, and LS3 applications, specifically for setups without A/C and featuring an 8-groove pulley system. The damper itself is 6.73 inches in diameter and constructed from aluminum, making it lighter than steel alternatives while still being well-built for the demands of performance engines.

ATI is known for making solid components for serious engine builds. This damper features a 3-ring design, which helps to control the harmonics and vibrations that can occur at higher RPMs. The aluminum construction helps reduce rotational mass on the crankshaft, which can contribute to improved engine response. It's a popular choice for builders looking for a reliable way to protect their engine's crankshaft and valvetrain from damaging vibrations.

When installing a damper like this, it's important to ensure it's properly seated on the crankshaft. This unit is designed to fit right onto the specified LS engine platforms. If you're rebuilding the front of your engine or upgrading to a more aggressive pulley setup, this damper is a key piece for ensuring long-term reliability.