ATI Performance Products 918920 Super Damper Harmonic Balancer for Small Block Ford

The ATI Performance Products 918920 Super Damper is a high-performance harmonic balancer engineered specifically for demanding racing and performance applications. This internally balanced damper features a patented design that effectively eliminates harmful torsional crankshaft vibrations that can rob horsepower and damage engine components.

Key Features:

• SFI 18.1 certified for racing safety compliance
• Steel construction with black zinc chromate finish for durability and corrosion resistance
• 6.325-inch outside diameter with 3-ring elastomer design
• Laser-engraved 360-degree timing marks for precise engine tuning
• Computer-machined grooves retain proper durometer O-rings dyno-tested for each application
• Steel inertia weight design provides superior vibration dampening
• Internal balance configuration for custom build applications
• 1.800-inch width with single keyway design
• Four crankshaft pulley bolt holes for secure mounting

Technical Specifications:

• Outside Diameter: 6.325 inches
• Width: 1.800 inches
• Weight: 6.00 lbs
• Material: Steel with elastomer construction
• Balance Type: Internal
• Safety Rating: SFI 18.1

The ATI Super Damper is tunable, rebuildable, and engineered to exceed SFI specifications. Whether for drag racing, road racing, or high-performance street applications, this damper delivers the protection and performance your engine demands. Designed for custom internally balanced engine builds and sold individually without mounting hardware.