ATI Damper 7.48in Aluminum 8 Groove 4% Overdrive 3 Ring (20032008 Dodge Non-VVT 5.7L HEMI Truck Engine) ATI918434
7.48in Aluminum 4% Overdrive Super Damper for 20032008 Dodge 5.7L HEMI Truck Engines
The ATI 7.48-inch Aluminum Super Damper (part ATI918434) is designed for 20032008 Dodge trucks with the non-VVT 5.7L HEMI engine. Featuring a 4% overdrive ratio, 8-groove pulley, and 3-ring aluminum construction, this damper increases blower and accessory speeds for added performance while delivering exceptional harmonic control. Ideal for supercharged or high-RPM builds, the ATI918434 provides precision balance, reduced vibration, and long-term durability in demanding HEMI applications.
Performance Highlights
- 4% overdrive ratio boosts supercharger and accessory drive speeds for increased power
- 7.48-inch outer diameter enhances damping efficiency and balance at high RPM
- Lightweight aluminum construction reduces rotating mass for faster revs
- 8-groove pulley maintains OEM accessory belt compatibility
- 3-ring inertia assembly provides smooth, consistent harmonic control
- SFI 18.1 certified for motorsport safety and competition use
- Fully rebuildable for ongoing precision and long service life
Quick Specs
- Outer Diameter: 7.48 inches
- Material: Aluminum
- Pulley Type: 8 Groove
- Drive Ratio: 4% Overdrive
- Rings: 3
- Certification: SFI 18.1
- Applications: 20032008 Dodge Non-VVT 5.7L HEMI Truck Engines
- Part Number: ATI918434
Why Choose ATIs 4% OD Super Damper for Dodge 5.7L HEMI Trucks?
The ATI918434 Super Damper is the premium choice for builders seeking a balance of increased performance and professional-grade vibration control. The 4% overdrive ratio helps maximize boost and accessory output while maintaining the stability and precision ATI dampers are known for. Perfect for supercharged, turbocharged, or aggressively tuned 5.7L HEMI engines, this damper ensures smoother power delivery and greater reliability under high load and boost.
Frequently Asked Questions
What does a 4% overdrive damper do?
The 4% overdrive pulley increases accessory and supercharger speeds by 4% over stock, generating additional boost and improving performance for forced-induction or tuned HEMI builds.
Is this compatible with all 5.7L HEMI engines?
This model fits non-VVT 5.7L HEMI truck engines from 20032008. It will not fit VVT-equipped HEMIs from 2009 and later.
Does the larger 7.48-inch diameter affect fitment?
No. The design maintains proper belt alignment and clearance in the factory engine bay while offering increased overdrive capability and enhanced damping stability.
Is this damper rebuildable?
Yes. The ATI918434 Super Damper is fully rebuildable using ATI factory service kits for long-lasting precision and reliability.
Vehicle Fitment
- 2003 Dodge Ram 1500 5.7L HEMI (Non-VVT)
- 2004 Dodge Ram 1500 5.7L HEMI (Non-VVT)
- 2005 Dodge Ram 1500 5.7L HEMI (Non-VVT)
- 2006 Dodge Ram 1500 5.7L HEMI (Non-VVT)
- 2007 Dodge Ram 1500 5.7L HEMI (Non-VVT)
- 2008 Dodge Ram 1500 5.7L HEMI (Non-VVT)
- 20032008 Dodge 5.7L HEMI Truck Platforms (Non-VVT)
Contact Beefcake Racing
Beefcake Racing proudly offers ATI Super Dampers and performance parts for Dodge and Mopar engines. For questions, expert support, or to place an order, contact us at sales@beefcakeracing.com or call 1-855-827-7223. Our team can help you choose the right damper for your HEMI-powered truck or performance build.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
