ATI Damper 7.48in Aluminum 6 Groove 17% Overdrive 3 Ring (20052010 Dodge Non-VVT 6.1L / 392 / 426 Engines) ATI918437
7.48in Aluminum 17% Overdrive Super Damper for 20052010 Dodge 6.1L / 392 / 426 HEMI Engines
The ATI 7.48-inch Aluminum Super Damper (part ATI918437) is designed for 20052010 Dodge HEMI engines including 6.1L, 392, and 426 non-VVT applications. Featuring a 17% overdrive ratio, 6-groove pulley, and precision 3-ring aluminum construction, this damper increases supercharger and accessory drive speeds for maximum performance gains. Ideal for high-boost and race-prepped HEMI builds, the ATI918437 delivers proven vibration control, improved power output, and uncompromising reliability under extreme conditions.
Performance Highlights
- 17% overdrive ratio significantly increases blower speed and boost potential
- 7.48-inch outer diameter enhances damping capability and belt traction
- Lightweight aluminum body reduces rotating mass and improves throttle response
- 6-groove pulley supports OEM-style belt systems
- 3-ring inertia assembly ensures consistent harmonic control under high RPM and boost
- SFI 18.1 certified for racing and safety compliance
- Fully rebuildable for continued precision and performance longevity
Quick Specs
- Outer Diameter: 7.48 inches
- Material: Aluminum
- Pulley Type: 6 Groove
- Drive Ratio: 17% Overdrive
- Rings: 3
- Certification: SFI 18.1
- Applications: 20052010 Dodge Non-VVT 6.1L / 392 / 426 HEMI Engines
- Part Number: ATI918437
Why Choose ATIs 17% OD Super Damper for HEMI Engines?
The ATI918437 Super Damper is engineered for builders who want maximum performance and reliability from their high-output HEMI engine. The 17% overdrive ratio boosts blower and accessory speeds for measurable horsepower gains, while ATIs 3-ring aluminum construction provides unbeatable harmonic control. Whether youre running a roots-style supercharger, centrifugal system, or turbocharged setup, this damper delivers rock-solid performance at the highest levels of competition.
Frequently Asked Questions
What does 17% overdrive mean?
The 17% overdrive pulley increases blower and accessory speeds by approximately 17% compared to stock, resulting in higher boost and power output on forced-induction engines.
Is this damper compatible with all HEMI engines?
No. The ATI918437 is designed specifically for non-VVT 6.1L, 392, and 426 HEMI engines (20052010). It will not fit later VVT-equipped models.
Will this damper work for supercharged builds?
Absolutely. The 17% overdrive design makes it ideal for supercharged and high-boost applications that demand increased drive speed and superior harmonic control.
Is it rebuildable?
Yes. Like all ATI Super Dampers, the ATI918437 is fully rebuildable using ATI service components, ensuring long-term precision and performance consistency.
Vehicle Fitment
- 2005 Dodge Charger 6.1L HEMI (Non-VVT)
- 2006 Dodge Charger 6.1L HEMI (Non-VVT)
- 2007 Dodge Charger 6.1L HEMI (Non-VVT)
- 2008 Dodge Charger 6.1L HEMI (Non-VVT)
- 2009 Dodge Challenger 6.1L / 392 / 426 (Non-VVT)
- 2010 Dodge Challenger 6.1L / 392 / 426 (Non-VVT)
- 20052010 Dodge / Chrysler 6.1L / 392 / 426 Non-VVT HEMI Platforms
Contact Beefcake Racing
Beefcake Racing is your trusted source for ATI Super Dampers and premium HEMI performance parts. For fitment support or to place an order, email sales@beefcakeracing.com or call 1-855-827-7223. Our performance experts can help you select the right damper for your 6.1L, 392, or 426 HEMI build.
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