ATI Performance Products ATI917161 Super Damper Harmonic Balancer SFI - 18.1

The ATI Performance Products ATI917161 Super Damper is a high-performance harmonic balancer engineered to eliminate torsional crankshaft vibrations in demanding racing and street applications. This patented damper features a steel shell construction with a 3-ring elastomer design, utilizing eight computer-machined grooves that retain precisely calibrated durometer O-rings for optimal vibration control at all RPM levels.

Key Features:

• Steel shell construction with internal steel inertia weight for maximum durability
• 3-ring elastomer design with eight precision-machined O-ring grooves
• SFI 18.1 certified for NHRA and IHRA racing competition
• Laser-engraved 360-degree timing marks for accurate engine timing
• 6.325-inch outside diameter with single keyway configuration
• Black zinc chromate finish for corrosion resistance
• Tunable and rebuildable design for long-term performance
• Internal balance configuration

ATI Super Dampers are the only crankshaft dampers designed exclusively for high-performance engines, providing superior torsional vibration control compared to OEM rubber or fluid-filled dampers. Whether used in racing applications or aggressive street engines, this harmonic balancer adds horsepower and torque while protecting the crankshaft from damaging vibrations. Mounting hardware sold separately.