ATI Damper 6.78in Aluminum 8 Groove 6% Overdrive 3 Ring (20092020 Dodge 5.7L / 6.4L HEMI Truck) ATI918453
6.78in Aluminum 6% Overdrive Super Damper for 20092020 Dodge 5.7L & 6.4L HEMI Trucks
The ATI 6.78-inch Aluminum Super Damper (part ATI918453) is purpose-built for 20092020 Dodge Ram trucks equipped with 5.7L or 6.4L HEMI engines. Featuring a 6% overdrive ratio, 8-groove pulley, and 3-ring aluminum construction, this damper increases supercharger and accessory drive speeds for enhanced performance while maintaining precise harmonic control. Designed for strength and reliability, its the ideal upgrade for HEMI-powered trucks used for towing, racing, or street performance.
Performance Highlights
- 6% overdrive ratio increases accessory and supercharger speeds for added power
- 6.78-inch outer diameter provides balance between performance and fitment
- Lightweight aluminum body reduces rotating mass for faster throttle response
- 8-groove pulley supports OEM-style belt systems
- 3-ring inertia assembly delivers excellent vibration control and durability
- SFI 18.1 certified and fully rebuildable for long-term use
Quick Specs
- Outer Diameter: 6.78 inches
- Material: Aluminum
- Pulley Type: 8 Groove
- Drive Ratio: 6% Overdrive
- Design: 3-Ring Super Damper
- Certification: SFI 18.1
- Applications: 20092020 Dodge 5.7L / 6.4L HEMI Truck Engines
- Part Number: ATI918453
Why Choose ATIs 6% OD Super Damper for Dodge HEMI Trucks?
The ATI918453 Super Damper delivers improved power and unmatched stability for HEMI truck owners. Its 6% overdrive setup increases supercharger and accessory performance, while the 3-ring aluminum construction ensures precise harmonic control and crankshaft protection. Perfect for performance towing, street builds, or mild boost setups, this damper is engineered for power, balance, and long-lasting reliability.
Frequently Asked Questions
What does 6% overdrive mean?
The 6% overdrive increases pulley speed by 6% over stock, providing slightly higher accessory and supercharger output without compromising reliability.
Is this compatible with both 5.7L and 6.4L HEMI trucks?
Yes. The ATI918453 fits 20092020 Dodge Ram 5.7L and 6.4L HEMI engines with OEM-style belt configurations.
Does it help with towing performance?
Yes. The increased drive ratio enhances torque delivery and accessory response, making it excellent for towing and heavy-duty use.
Can it be rebuilt?
Yes. The ATI918453 is fully rebuildable using genuine ATI components, ensuring precision and durability for years of service.
Vehicle Fitment
- 2009 Dodge Ram 1500 5.7L HEMI
- 2010 Dodge Ram 1500 5.7L HEMI
- 20112020 Ram 1500 5.7L HEMI
- 20112020 Ram 2500 / 3500 6.4L HEMI
- 20092020 Dodge / Ram 5.7L & 6.4L HEMI Truck Platforms
Contact Beefcake Racing
Beefcake Racing is your trusted source for ATI Super Dampers and Mopar performance upgrades. For product support or ordering assistance, email sales@beefcakeracing.com or call 1-855-827-7223. Our experts can help you choose the right damper for your HEMI-powered Dodge or Ram truck.
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