ATI Performance Products ATI917160 Super Damper Harmonic Balancer Pontiac - V8

The ATI917160 Super Damper is a high-performance harmonic balancer engineered specifically for Pontiac V8 engines including 389, 400, 421, 428, and 455 cubic inch applications. This patented damper is designed exclusively to eliminate destructive torsional crankshaft vibrations in high-performance and racing engines.

Key Features:

• 7.074-inch outside diameter steel construction with steel crankshaft hub
• 3-ring elastomer design with eight computer-machined grooves retaining proper durometer O-rings dyno-tested for the application
• SFI 18.1 certified for racing compliance and safety
• Laser-engraved 360-degree timing marks for precise engine tuning
• Black zinc chromate finish for corrosion resistance
• Internal balance design suitable for internally balanced rotating assemblies
• Steel inertia weight with steel inner and outer shells
• Tunable, rebuildable, and efficient at all RPM ranges

This damper features a 3-bolt Chevy-style pulley mounting pattern and requires a 1.500-inch wide crank hub. The Super Damper design exceeds SFI 18.1 specifications and is OEM equipment on various crate engines. Its patented elastomer construction provides superior vibration damping compared to conventional rubber-bonded dampers, while remaining tunable and rebuildable for long-term performance.