ATI Performance Products ATI918435 Super Damper Harmonic Balancer Underdrive HEMI - 2% 5.7L

The ATI Performance Products ATI918435 Super Damper is an SFI-approved harmonic balancer built specifically for high-performance applications, providing balanced dampening of torsional crankshaft vibrations at all RPM. This 2% underdrive damper is designed for Gen III HEMI 5.7L engines and represents the gold standard in crankshaft vibration control for modified and high-performance builds.

Key Features:

• 360-degree laser-etched timing marks for precise engine timing
• Aluminum inner and outer shells containing a steel inertia weight
• 2-ring or 3-ring design with computer-machined grooves retaining proper durometer O-rings dyno tested for each application
• Exceeds SFI 18.1 specifications for street and race use
• Includes new crank bolt for proper installation
• Tunable and rebuildable design for long-term performance

These dampers are highly recommended on heavily modified engine packages, stroker engines, and big boost applications. The patented ATI Super Damper is the only damper designed exclusively for high-performance engines, making it an essential upgrade for serious enthusiasts pushing their HEMI powerplants beyond stock limits.