High-Strength Dual Keyway Harmonic Damper for BBC

For high-horsepower Big Block Chevy builds, the ATI Performance 7.074-inch steel Super Damper with dual keyway is the ultimate choice. This damper is specifically engineered to handle extreme torque loads, ensuring that the harmonic balancer remains securely locked to the crankshaft. With SFI 18.1 certification, this component provides the safety and reliability required for professional racing applications.

Advanced Features

• Dual Keyway Design: Provides extra security against slippage under high torque.
• Steel Construction: Built for maximum strength and vibration absorption.
• 7.074-inch OD: Standard size for high-performance Super Damper systems.
• SFI 18.1 Certified: Ready for competitive racing environments.
• Internal Balance: Perfectly balanced for Big Block Chevy internal balance setups.

High-torque engines can place immense stress on the crankshaft keyway, often leading to failure in standard setups. The dual keyway design of this ATI Super Damper mitigates this risk, providing a robust connection that stands up to the most demanding conditions. By effectively dampening vibrations and ensuring a secure fit, this damper protects your engine's internal components and extends the life of your build. Don't leave your crankshaft security to chance; choose the precision and quality of ATI Performance. For all your high-performance engine needs, trust the experts at GGCRACING.