ATI Performance Products 918924 Super Damper Harmonic Balancer Small Block Ford

The ATI Performance Products 918924 Super Damper is a high-performance harmonic balancer designed specifically for Small Block Ford engines including 289, 302, 351C, 351M, 351W, and 400 applications. This precision-engineered damper effectively eliminates harmful torsional crankshaft vibrations that can damage high-performance engines.

Key Features:

• 6.325-inch outside diameter with three-ring elastomer design
• Internal balance configuration for custom balanced builds
• Aluminum and steel construction with steel inertia weight
• SFI 18.1 certified for racing applications
• Black zinc chromate finish for corrosion resistance
• 360-degree timing marks for precise engine tuning
• Computer-machined grooves with proper durometer O-rings dyno-tested for each application
• Tunable and rebuildable design for long-term performance

The patented ATI Super Damper features inner and outer shells that contain a steel inertia weight with eight computer-machined grooves to retain O-rings, providing superior vibration damping at all RPM ranges. This damper is OEM equipment on various crate engines and exceeds SFI 18.1 specifications, making it suitable for both street and racing applications. Designed for 4-inch timing tab location with four crankshaft pulley bolt holes and single keyway. Mounting hardware not included.