ATI Performance Products ATI917455S Super Damper Standard Harmonic Balancer

The ATI Performance Products ATI917455S Super Damper is a high-performance harmonic balancer engineered exclusively for high-RPM performance and racing engine applications. ATI's patented Super Damper design is the only crankshaft damper developed specifically for the demands of high-performance engines, making it the go-to choice for racers and performance enthusiasts alike.

Key Features:

• Exceeds SFI 18.1 Specifications — Certified for NHRA and IHRA sanctioned competition
• Eliminates Torsional Crankshaft Vibration — Protects crankshaft and engine internals at all RPM ranges
• Computer-Machined Inertia Weight Grooves — Precision-machined grooves retain proper durometer O-rings, dyno-tested for each application
• Laser-Engraved 360-Degree Timing Marks — Computer-controlled laser engraving ensures accurate, permanent timing reference
• Black Zinc Chromate Finish — Durable, corrosion-resistant finish for long service life
• Tunable and Rebuildable — Designed to be serviced and retuned, providing long-term value over non-rebuildable OEM units
• Aluminum or Steel Construction — Inner and outer shells available in aluminum or steel to contain the steel inertia weight

ATI Performance Products has over 50 years of experience manufacturing driveline components developed and proven on the dragstrip. The Super Damper line has been tested in competition over two million cycles, far exceeding the durability of standard OEM harmonic balancers. Whether used in a dedicated race build or a high-performance street application, the ATI917455S Super Damper delivers reliable vibration damping and crankshaft protection.