ATI Performance Products ATI917134 Super Damper Harmonic Balancer

The ATI Performance Products ATI917134 is an ATI Super Damper harmonic balancer engineered for high-performance and racing applications. As part of ATI's patented Super Damper series, this crankshaft damper is purpose-built for high-RPM performance engines, delivering superior torsional vibration control that stock OEM balancers simply cannot match.

ATI Super Dampers utilize a precision elastomer ring design with computer-machined grooves that retain proper-durometer O-rings to effectively dampen crankshaft harmonics across the full RPM range. The result is smoother power delivery, reduced bearing wear, and improved engine reliability under sustained high-performance use.

Key Features:

• Patented ATI Super Damper design developed exclusively for high-performance engines
• Steel inner and outer shell construction with precision steel inertia weight
• Computer-machined O-ring grooves for consistent, long-lasting harmonic control
• Black zinc chromate finish for corrosion resistance
• Computer-controlled, laser-engraved 360-degree timing marks for accurate ignition timing
• SFI 18.1 certified for NHRA and IHRA sanctioned competition
• Manufactured in the USA at ATI's facility near Baltimore, Maryland

ATI Performance Products has been at the forefront of driveline and engine component engineering since 1961, with Super Dampers proven through millions of cycles in professional drag racing and oval track competition. The ATI917134 is sold individually and is designed to be a direct upgrade over the factory harmonic balancer for performance street and race engine builds.