ATI Damper 6.325in Aluminum 3 Ring Aluminum Hub (Chevy Big Block) ATI918720
Lightweight Super Damper for Chevy Big Block Engines
The ATI 6.325-inch Aluminum Super Damper (part ATI918720) is a high-performance harmonic balancer engineered for Chevy Big Block engines. Designed with a 3-ring configuration and lightweight aluminum hub, this damper delivers exceptional harmonic control while minimizing rotating mass. Ideal for both street and racing applications, it ensures smoother operation, improved throttle response, and enhanced durability under high-RPM conditions. Precision-built and SFI 18.1 certified, this damper is the perfect choice for serious Big Block Chevy enthusiasts.
Performance Highlights
- 6.325-inch outer diameter for compact fitment and precise damping performance
- 3-ring design provides superior harmonic absorption across all RPM ranges
- Aluminum hub and shell reduce rotating weight for faster acceleration
- Optimized for Chevy Big Block engines in both street and race builds
- SFI 18.1 certified for motorsport compliance and safety
- Fully rebuildable for long-term performance and service life
Quick Specs
- Outer Diameter: 6.325 inches
- Material: Aluminum
- Design: 3-Ring Super Damper
- Hub Material: Aluminum
- Engine Application: Chevy Big Block
- Certification: SFI 18.1
- Part Number: ATI918720
Why Choose ATIs Aluminum Super Damper?
The ATI918720 Super Damper combines the proven torsional control of ATIs race-winning technology with the weight savings of an aluminum hub. Its designed to protect your Big Block Chevy from destructive vibrations that can cause power loss, bearing wear, and crankshaft damage. Whether youre building a high-RPM drag car or a strong street setup, this damper provides the balance and stability you can trust.
Frequently Asked Questions
Is this damper suitable for high-RPM engines?
Yes. The ATI918720 is SFI 18.1 certified and built to handle high-RPM and high-output Big Block applications.
Does it reduce engine vibration?
Absolutely. The 3-ring design and ATIs advanced elastomer technology significantly reduce crankshaft harmonics and vibration.
Whats the benefit of an aluminum hub?
The aluminum hub reduces rotating mass, resulting in quicker engine response and less stress on the crankshaft.
Is this damper rebuildable?
Yes. Like all ATI Super Dampers, the ATI918720 is fully rebuildable for long-term reliability and serviceability.
Fitment
- Chevrolet Big Block V8 Engines (396, 402, 427, 454, 502, 540, and similar configurations)
Contact Beefcake Racing
Beefcake Racing is your go-to source for ATI Super Dampers and high-performance Chevy Big Block components. For assistance selecting the right damper or to order, contact us at sales@beefcakeracing.com or call 1-855-827-7223. Our experts can help you match the perfect ATI damper to your Big Block build.
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