SKU: ATI918620U
MPN: 918620U
The ATI Performance Super Damper SFI GM LS7 Corvette harmonic balancer is a precision-engineered component designed to manage crankshaft vibration and protect engine internals on LS-series engines. With a 6.75-inch diameter and SFI 18.1 certification, this damper combines aluminum and steel construction to deliver reliable dampening for high-performance applications where factory components fall short of durability demands.
The internal balance design ensures compatibility with LS-series engine configurations, particularly the LS7 platform found in Corvettes and other performance builds. The 6.75-inch outer diameter fits within stock engine bay dimensions while providing optimal inertial mass for vibration control across the RPM range. The black finish resists oxidation and heat exposure common in engine compartments, and the SFI 18.1 rating confirms this damper meets sanctioning body standards for both street and competition use.
This damper is essential for builders and owners upgrading LS-powered vehicles where increased displacement, turbocharging, or extended RPM operation increases harmonic stress. The reinforced aluminum/steel construction withstands the thermal and mechanical demands of boosted or naturally aspirated high-output builds. Engine builders working on Corvettes, Camaros, and universal LS swaps rely on ATI's damper technology to protect crankshaft bearings and extend engine longevity under sustained performance conditions.
ATI Performance dampers are recognized in the performance engine market for precision manufacturing and proven reliability in both street and track environments. The SFI certification provides assurance of third-party testing and compliance with safety standards recognized by major racing organizations.
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