ATI Performance Products 917062 Super Damper Harmonic Balancer for Big Block Chevy

The ATI Performance Products 917062 Super Damper is a high-performance harmonic balancer designed specifically for Big Block Chevrolet engines including 396, 402, and 427 cubic inch applications. This patented crankshaft damper eliminates torsional crankshaft vibrations that can rob power and damage engine components, making it ideal for both street performance and racing applications.

Key Features:

• 8.074-inch diameter steel construction with black zinc chromate finish
• Internal balance design for proper weight distribution
• Elastomer dampening technology with 3-ring design featuring eight computer-machined grooves
• Steel outer shell with steel inertia weight and proper durometer O-rings dyno-tested for optimal performance
• Exceeds SFI 18.1 safety specifications for racing compliance
• Laser-engraved 360-degree timing marks for precise engine tuning
• Tunable and rebuildable construction for long-term durability
• Efficient at all RPM ranges from street cruising to high-RPM racing
• OEM equipment on various GM crate engines including ZZ572

The ATI Super Damper reduces parasitic losses and allows your engine to utilize more power for increased performance. By controlling torsional vibrations, it protects against crankshaft and timing gear wear while extending engine life. This harmonic balancer features 1.500-inch width and uses a 3-bolt mounting pattern. Professional installation with proper harmonic balancer installation tools is recommended.