Ultimate Harmonic Protection for Cummins Diesel Engines

Cummins 4BT and 6BT engines are legendary for their torque and durability, but the massive internal forces can lead to significant crankshaft vibration. The ATI 8.074-inch Steel Super Damper is the premier choice for 3.9L and 5.9L diesel engines. This heavy-duty, 3-ring steel damper is engineered to absorb the intense harmonic energy produced by the diesel combustion cycle, preventing crankshaft fatigue and extending engine life.

Engineered for Diesel Power

• 8.074-inch diameter designed for high-torque diesel applications.
• Rugged steel construction handles the extreme stress of turbo-diesel power.
• 8-groove belt surface for reliable accessory drive performance.
• 3-ring design provides maximum harmonic absorption across the entire power band.
• Direct fit for Cummins 4BT (3.9L) and 6BT (5.9L) platforms.

Whether you are towing heavy loads, competing in sled pulls, or simply want to ensure your Cummins engine lasts for hundreds of thousands of miles, this ATI Super Damper is an essential upgrade. It effectively dampens the vibrations that can cause catastrophic damage to the crankshaft and main bearings. Don't leave your engine's health to chance; choose the industry-leading harmonic control of ATI. For more high-performance diesel components and expert advice, visit GGCRACING.