ATI Elastomer Kit 2 Ring 6 w/60/60/70 ATI918990-66
Balanced Elastomer Kit for 6-Inch 2-Ring ATI Super Dampers
The ATI Elastomer Kit (part ATI918990-66) is a precision replacement for 6-inch, 2-ring ATI Super Dampers. Featuring a 60/60/70 durometer configuration, this kit offers an ideal blend of flexibility and control for engines that see a wide range of RPMs. It restores your dampers original performance while improving vibration absorption and crankshaft stability perfect for high-performance street, endurance, or light racing applications.
Performance Highlights
- Designed for 6-inch, 2-ring ATI Super Dampers
- 60/60/70 durometer setup provides balanced damping and smooth harmonic control
- Improves engine smoothness and reduces torsional stress on the crankshaft
- Restores OEM-level damper precision for long-term reliability
- Made from premium, heat- and oil-resistant elastomer compounds
- Ideal for street performance, endurance builds, and mild race engines
Quick Specs
- Application: ATI Super Damper
- Damper Size: 6 inches
- Design: 2-Ring
- Durometer Rating: 60/60/70
- Material: High-Performance Elastomer
- Compatibility: Steel Super Dampers
- Part Number: ATI918990-66
Why Choose the ATI918990-66 Elastomer Kit?
The ATI918990-66 Elastomer Kit delivers reliable harmonic damping and smooth operation for a variety of performance engines. The dual 60-durometer inner rings absorb vibration effectively through the midrange, while the 70-durometer outer ring adds stiffness for improved control at high RPM. This combination provides consistent performance, extended engine life, and reduced wear on rotating components a perfect balance for street-driven performance and endurance racing setups.
Frequently Asked Questions
What does 60/60/70 durometer mean?
The two inner rings are 60-durometer for improved flexibility and damping, while the outer ring is 70-durometer for increased stiffness and harmonic stability.
Is this compatible with aluminum dampers?
No. The ATI918990-66 kit is made for steel 6-inch, 2-ring Super Dampers. Aluminum dampers require a specific elastomer version.
What type of engines benefit from this configuration?
The 60/60/70 setup is best suited for street performance, endurance, and mild racing engines that operate in variable RPM ranges.
Should both elastomer rings be replaced together?
Yes. ATI recommends replacing both rings simultaneously to maintain balanced harmonic control and optimal damper performance.
Why Buy from Beefcake Racing?
Beefcake Racing proudly offers ATI Performance Products including Super Dampers, rebuild kits, and vibration control components for all power levels. Our experienced team provides fast shipping, expert guidance, and top-tier customer service. For questions or to order, contact sales@beefcakeracing.com or call 1-855-827-7223. Beefcake Racing your performance partner for precision-engineered parts.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
