ATI Performance Products 917310 Super Damper Harmonic Balancer 7.074" BBC Internal Balance SFI 18.1

The ATI Performance Products 917310 Super Damper is a high-performance harmonic balancer engineered specifically for Big Block Chevy applications. This patented crankshaft damper is designed exclusively for high-RPM performance engines, effectively eliminating destructive torsional crankshaft vibrations that rob power and damage engine components.

Key Features:

• 7.074-inch outer diameter with aluminum shell and aluminum hub construction
• Internal balance configuration for standard Big Block Chevy engines
• Three-ring elastomer design with computer-machined grooves retaining dyno-tested, proper durometer O-rings
• Steel inertia weight (4.50 lbs) with aluminum shell (6.25 lbs) and hub (0.85 lbs) for optimal damping performance
• Exceeds SFI 18.1 certification requirements for racing safety
• Black zinc chromate finish resists corrosion
• Laser-engraved 360-degree timing marks for precise engine tuning
• Tunable and rebuildable design for long-term performance
• OEM front mounting configuration

ATI Super Dampers have been proven in the most demanding racing environments, from Winston Cup competition to professional drag racing. The innovative elastomer design with multiple O-rings provides superior vibration control compared to traditional rubber-bonded dampers, while the rebuildable construction ensures long-term reliability. Whether you're building a race engine or a high-performance street engine, the ATI 917310 delivers the protection and performance your Big Block Chevy deserves.