ATI Performance Products ATI917020P Super Damper Harmonic Balancer Shell Aluminum - 7.074 2-Ring

The ATI Performance Products ATI917020P is a high-performance harmonic balancer shell assembly designed for Chevrolet applications. This replacement shell is engineered to work with ATI's patented Super Damper system to eliminate damaging torsional crankshaft vibrations in race, street, and high-performance truck engines.

Key Features:

• 7.074-inch outside diameter aluminum shell construction
• 2-ring elastomer design for superior vibration dampening
• Black zinc chromate finish for corrosion resistance
• SFI 18.1 certified for NHRA and IHRA competition use
• 360-degree timing marks for precise engine tuning
• Internal balance configuration for Chevy front applications
• Lightweight at 3.50 lbs for reduced rotational mass

This shell assembly is sold individually and does not include the crankshaft hub or mounting hardware, which must be purchased separately. The ATI Super Damper's elastomer construction absorbs harmful harmonic vibrations across the entire RPM range, helping to increase horsepower, improve reliability, and extend engine life in demanding performance applications.