ATI Elastomer Kit 3 Ring 7 w/40/40/70 ATI918960-40
High-Performance Elastomer Kit for 7-Inch 3-Ring ATI Super Dampers
The ATI Elastomer Kit (part ATI918960-40) is a precision replacement kit for 7-inch, 3-ring ATI Super Dampers. Featuring a 40/40/70 durometer configuration, this kit provides softer damping characteristics for engines requiring smooth operation, reduced vibration, and improved balance at moderate to high RPMs. It restores original performance while offering improved torsional control for street, strip, and endurance applications.
Performance Highlights
- Designed for 7-inch, 3-ring ATI Super Dampers
- 40/40/70 durometer configuration provides progressive damping for smooth operation
- Ideal for moderate-RPM and balanced performance engines
- Reduces crankshaft vibration and protects bearings and accessories from harmonic stress
- Constructed from premium elastomer compounds for durability and heat resistance
- Restores factory-level harmonic efficiency to your ATI Super Damper
Quick Specs
- Application: ATI Super Damper
- Damper Size: 7 inches
- Design: 3-Ring
- Durometer Rating: 40/40/70
- Material: High-Performance Elastomer
- Compatibility: Steel Super Dampers
- Part Number: ATI918960-40
Why Choose the ATI918960-40 Elastomer Kit?
The ATI918960-40 Elastomer Kit delivers the perfect balance of vibration control and responsiveness for 7-inch ATI Super Dampers. Its softer 40/40/70 durometer setup is ideal for street engines or builds that prioritize smoothness over extreme stiffness. Whether youre refreshing a daily driver or a mild performance motor, this kit restores your dampers damping precision and reliability to factory standards.
Frequently Asked Questions
What does 40/40/70 durometer mean?
The 40/40/70 rating refers to the hardness of the elastomer rings two softer (40) and one firmer (70) allowing balanced damping at lower to mid-range RPMs.
Is this compatible with aluminum dampers?
No. The ATI918960-40 is specifically designed for steel 7-inch Super Dampers. For aluminum units, use the appropriate aluminum-specific kit.
Should all three elastomers be replaced?
Yes. Replacing all elastomers ensures uniform performance and harmonic balance restoration.
Do I need special tools to install this?
Professional installation is recommended. ATI provides proper installation tools and instructions to ensure correct alignment and fitment.
Why Buy from Beefcake Racing?
Beefcake Racing is a trusted authorized dealer for ATI Performance Products, offering Super Dampers, rebuild kits, and accessories. Our knowledgeable team can help you find the right elastomer kit for your application, ensuring your damper performs like new. Contact us at sales@beefcakeracing.com or call 1-855-827-7223. For expert advice, fast shipping, and unbeatable performance support, trust Beefcake Racing.
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