ATI Performance Products ATI918427-16 Super Damper Harmonic Balancer 7.074" 4-Groove Aluminum COPO Camaro

The ATI Super Damper Serpentine Series harmonic balancer is patented and features grooves for serpentine belts machined into the outer damper shell. This 7.074-inch aluminum damper is specifically designed for 2016 GM COPO 350, 396, and 427 naturally aspirated crate engines, providing maximum crankshaft vibration control for high-performance LS-based applications.

Key Features:

• 7.074-inch outside diameter with 4-groove serpentine belt design
• Dual keyway configuration for secure crankshaft mounting
• Lightweight, hardcoated aluminum construction
• Exceeds SFI 18.1 certification standards
• Laser-engraved 360-degree timing marks
• Black zinc chromate finish
• Tunable and rebuildable design for long-term performance

The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations, providing maximum flexibility. The damper contains a steel inertia weight with computer-machined grooves to retain the proper durometer O-rings, dyno tested for each application. This advanced elastomer damper design eliminates harmful torsional crankshaft vibrations at all RPM ranges, protecting your engine and improving performance.

Designed specifically for 2016 and newer COPO Camaro naturally aspirated LS crate engines. Internal balance design. Sold individually without mounting hardware.