ATI Performance Products ATI918940 Super Damper Crankshaft Harmonic Balancer

The ATI Performance Products ATI918940 Super Damper is a high-performance crankshaft harmonic balancer engineered to reduce torsional vibration and protect your engine's rotating assembly. ATI Super Dampers are trusted by professional racing teams and performance enthusiasts worldwide for their precision manufacturing and proven durability under extreme conditions.

Unlike OEM rubber-bonded balancers that degrade over time, ATI Super Dampers utilize a patented elastomer ring damping system with precision-machined steel components. This design delivers consistent, reliable vibration control across a wide RPM range, helping to extend crankshaft and bearing life while maintaining rotating assembly integrity at high horsepower levels.

Key Features:

• Precision-machined billet steel or aluminum construction for maximum strength and durability
• Patented multi-ring elastomer damping system for superior torsional vibration control
• SFI 18.1 specification certified for sanctioned racing applications
• Laser-etched timing degree markings for accurate ignition timing reference
• Rebuildable and re-tunable design for long service life
• Replaces worn or degraded factory harmonic balancers
• Engineered for high-RPM and high-horsepower performance applications

ATI Performance Products has been a leader in crankshaft damper technology since 1966, and the Super Damper line remains the gold standard for engine builders seeking maximum protection and performance. Whether for street/strip use or all-out competition, the ATI918940 delivers race-proven reliability.