ATI Performance Products 917304 Super Damper 7.48" SFI Harmonic Balancer GM LS 6-Groove Serpentine

The ATI Performance Products 917304 Super Damper is a high-performance harmonic balancer engineered for GM LS engines with 6-groove serpentine belt systems. This 7.48-inch diameter damper features SFI 18.1 certification, making it suitable for competitive racing applications where safety certification is required.

Key Features:

• 7.48-inch outer diameter with 6-groove serpentine pulley configuration
• SFI 18.1 certified for racing safety compliance
• Elastomer-based damping system absorbs harmful crankshaft vibrations
• Precision-machined steel construction for durability and balance
• Direct bolt-on replacement for GM LS engines
• Reduces crankshaft stress and extends engine longevity
• Ideal for high-performance street, strip, and racing applications

ATI Super Dampers utilize a unique internal inertia ring and elastomer design to effectively control torsional crankshaft vibrations across the entire RPM range. This harmonic balancer provides superior vibration damping compared to standard OEM units, protecting your engine's internal components while delivering reliable performance in demanding conditions.