ATI Performance Products ATI917200 Super Damper Harmonic Balancer Small Block Chevy Internal Balance - 7.074

The ATI Performance Products ATI917200 Super Damper is a high-performance harmonic balancer designed exclusively for small block Chevrolet engines with internal balance. This race-proven damper features a patented elastomer design that effectively eliminates torsional crankshaft vibrations, protecting your engine at high RPM and adding both horsepower and torque.

Key Features:

• 7.074-inch outside diameter with 1.200-inch width
• Aluminum outer shell with steel inner hub and steel inertia weight
• 2-ring elastomer design with computer-machined grooves for proper durometer O-rings
• SFI 18.1 certified for competition use
• Laser-engraved 360-degree timing marks for precision tuning
• Black zinc chromate finish for corrosion resistance
• Three crankshaft pulley bolt holes and single keyway
• Tunable and rebuildable design for long-term performance

This Super Damper weighs 5.00 lbs and has been extensively tested in Winston Cup competition and drag racing applications. Sold individually without mounting hardware. Designed for engines running 6,000+ RPM and used as OEM equipment on various crate engines.