ATI Performance Products ATI917142A Super Damper Harmonic Balancer

The ATI Performance Products ATI917142A Super Damper is a high-performance harmonic balancer engineered to eliminate torsional crankshaft vibrations that rob power and accelerate engine wear. As the only crankshaft damper designed exclusively for high-performance engines, the ATI Super Damper is a proven solution for both race and street applications.

Key Features:

• Exceeds SFI 18.1 specifications — tested in professional motorsport competition over two million cycles
• Patented elastomer O-ring design — steel inertia weight features computer-machined grooves retaining precision durometer O-rings, dyno-tested for each application
• Aluminum or steel inner and outer shells — contain a precision steel inertia weight for superior damping efficiency
• Black zinc chromate finish — corrosion-resistant and race-proven durable
• Laser-engraved 360-degree timing marks — computer-controlled for precise ignition timing accuracy
• Tunable and rebuildable — serviceable design allows for long-term use and re-tuning as engine configurations change
• Effective at all RPM ranges — eliminates harmful torsional crankshaft vibrations across the entire powerband

ATI Super Dampers are OEM equipment on a variety of high-performance crate engines and are trusted by professional race teams across drag racing, road racing, and oval track competition. Whether building a dedicated race engine or a high-output street machine, the ATI917142A delivers the crankshaft protection and performance consistency demanded by serious engine builders.