ATI Performance Products 917400E Super Damper Harmonic Balancer

The ATI Performance Products 917400E is a precision-engineered harmonic balancer designed to eliminate destructive crankshaft vibrations in high-performance engines. This Super Damper features ATI's proprietary elastomer design that absorbs harmful vibrations across the entire RPM range, protecting your crankshaft, bearings, and other critical engine components from damage.

Key Features:

• Multi-piece construction with steel shell and elastomer dampening element
• Eliminates vibrations across full RPM range for superior engine protection
• Precisely machined timing marks for accurate ignition timing
• SFI approved for competition use
• CNC-machined from high-quality steel for durability and precision
• Rebuildable design for long-term performance and value

ATI Super Dampers are the choice of professional engine builders and racers worldwide, providing superior vibration control compared to stock and conventional aftermarket harmonic balancers. The elastomer dampening system continuously absorbs torsional vibrations that can cause premature bearing failure, crankshaft fatigue, and timing inconsistencies.