ATI Performance Products ATI918453 Super Damper Harmonic Balancer Aluminum - 6.7 8-Groove

The ATI Performance Products ATI918453 Super Damper is a high-performance harmonic balancer engineered for demanding applications. This 3-ring aluminum damper features an 8-groove serpentine pulley design with a 6 percent overdrive ratio, making it ideal for supercharged, turbocharged, and high-performance naturally aspirated engines.

Key Features:

• 6.700-inch outer diameter aluminum construction reduces rotational mass
• 8-groove serpentine belt design accommodates forced induction and multiple accessory drives
• 6% overdrive ratio increases supercharger and accessory speeds for enhanced performance
• 3-ring elastomer construction eliminates torsional crankshaft vibrations at all RPM ranges
• SFI 18.1 certified for competition use in NHRA and IHRA sanctioned events
• Laser-engraved 360-degree timing marks for precise tuning
• Black zinc chromate finish for corrosion resistance
• Internal balance design with single keyway
• Fully rebuildable and tunable for long-term performance

ATI Super Dampers feature patented technology with serpentine belt grooves machined directly into the outer damper shell. The elastomer construction provides superior harmonic control compared to traditional rubber dampers, while the lightweight aluminum body improves throttle response. Compatible with ATI GM-front crank hubs and adaptable to many engine combinations. Mounting hardware sold separately.