ATI Performance Products 917261 Super Damper Harmonic Balancer Small Block Chevy - 6.325 for 400

The ATI Performance Products 917261 Super Damper is a high-performance harmonic balancer engineered specifically for Chevrolet 400 Small Block Gen I engines. This precision-machined damper features a 6.325-inch outer diameter and utilizes ATI's patented Super Damper technology to eliminate harmful crankshaft harmonics that rob engines of power.

Key Features:

• Aluminum outer shell with steel crankshaft hub construction for optimal strength-to-weight ratio
• Steel inertia weight ring precisely tuned for high-RPM performance applications
• Designed exclusively for Chevrolet 400 Small Block engines with external balance requirements
• Field-tunable and rebuildable design for long-term performance
• Engineered to eliminate parasitic horsepower loss from crankshaft vibrations
• Extremely efficient harmonic dampening across the entire RPM range

Unlike traditional rubber-style harmonic balancers that deteriorate over time, the ATI Super Damper uses a sophisticated inertia ring system that maintains consistent performance throughout the life of your engine. This damper is specifically calibrated for the unique balance characteristics of the Chevy 400 Small Block, making it ideal for racing, street performance, and high-output truck applications. The rebuildable construction ensures that your investment can be maintained and refreshed as needed, providing superior value for serious enthusiasts and racers.