ATI Performance Products ATI916138 Super Damper Crankshaft Harmonic Balancer

The ATI Performance Products ATI916138 Super Damper is a precision-engineered torsional vibration damper (harmonic balancer) designed to protect your engine's crankshaft from the destructive effects of torsional vibration. ATI Super Dampers are the gold standard in crankshaft damper technology, trusted by professional racers and performance enthusiasts worldwide.

Unlike factory rubber-bonded harmonic balancers that can slip, deteriorate, or fail under high-RPM stress, ATI Super Dampers use a precision-machined, multi-ring elastomer design that effectively absorbs and dissipates crankshaft torsional vibration across a broad RPM range. This protects the crankshaft, bearings, and rotating assembly from premature wear and catastrophic failure.

Key Features:

• Precision-machined billet steel or aluminum construction for maximum durability and balance
• Multi-ring elastomer dampening system tuned for performance applications
• SFI 18.1 certified for sanctioned racing events (where applicable)
• Resists deterioration from heat, oil, and high-RPM stress
• Accurate timing marks for precise ignition timing adjustment
• Direct bolt-on fitment — no modification required
• Rebalanceable and rebuildable for long service life

ATI Super Dampers are built in the USA and are a direct replacement upgrade over the OEM harmonic balancer. Whether you're building a street/strip car, a dedicated race engine, or simply want the reliability of a professional-grade damper, the ATI916138 delivers proven performance and engine protection.