ATI Performance Products 917200 Super Damper Harmonic Balancer Small Block Chevy

The ATI Performance Products 917200 Super Damper is a high-performance harmonic balancer engineered specifically for Small Block Chevy engines with 1.245-inch crankshaft snouts. This patented crankshaft damper features an aluminum outer shell with a steel hub construction, designed exclusively for high-RPM performance applications.

Key Features:

• 7.074-inch outside diameter with 2-ring elastomer design
• Internal balance configuration for Small Block Chevy and Pontiac 2.5L engines
• Steel inertia weight with six computer-machined grooves retaining proper durometer O-rings dyno tested for the application
• Black zinc chromate finish for corrosion resistance
• Laser-engraved 360-degree timing marks for precision tuning
• Exceeds SFI 18.1 safety specifications
• Three crankshaft pulley bolt holes with single keyway
• 1.200 inches wide, weighs 5.00 lbs

The ATI Super Damper eliminates harmful torsional crankshaft vibrations that cause parasitic horsepower loss in high-performance engines. This unit is tunable, rebuildable, and maintains exceptional efficiency across all RPM ranges, making it ideal for both street performance and racing applications. OEM equipment on various crate engines. Mounting hardware sold separately.