ATI Performance Products 918477 Super Damper Harmonic Balancer Honda K-Series

The ATI Performance Products 918477 Super Damper is a high-performance harmonic balancer engineered specifically for Honda K-Series engines (K20 and K24). This patented crankshaft damper is designed exclusively for high-performance and racing applications, effectively eliminating harmful torsional crankshaft vibrations that cause parasitic horsepower loss.

Key Features:

• 5.67-inch outer diameter aluminum 3-ring shell with 6-rib serpentine belt drive
• Steel hub construction for maximum durability
• 2.2 lb inertia weight with eight computer-machined grooves retaining proper durometer O-rings
• SFI 18.1 certified for competition use
• 360-degree laser-etched timing marks for precise engine tuning
• Internal balance design
• Black zinc chromate finish
• Tunable, rebuildable, and extremely efficient at all RPM ranges
• Compatible with factory serpentine belt setup

The ATI Super Damper features a unique two-damper-in-one design with both inner and outer shells that work together to dampen crankshaft harmonics at all RPM levels. This proven elastomer technology protects your engine components from excessive wear while recovering lost horsepower. Whether you're building a street performance engine or a full race application, the ATI 918477 delivers superior protection and performance compared to stock harmonic balancers. Total weight is approximately 6.2 lbs (3.6 lbs shell + 2.6 lbs hub and inner shell).