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ATI Damper - 6.78" - Aluminum - 6 Groove - 2 Percent UD - 3 Ring (2005 - 2008 Dodge Non VVT 5.7L Hemi Car Engine) ATI918435

ATI Damper - 6.78" - Aluminum - 6 Groove - 2 Percent UD - 3 Ring (2005 - 2008 Dodge Non VVT 5.7L Hemi Car Engine) ATI918435

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Item#:
APPATI918435
Price: $437.39
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UPC:
800157029639
Availability:
Special order
LTL:
N
MPN:
ATI918435
Product ID:
361478
Proposition 65:
N
Category:
Engine Components>Crankshaft Dampers
Core:
N
Clearance Item:
N

ATI Damper – 6.78in – Aluminum – 6 Groove – 2% Underdrive – 3 Ring (2005–2008 Dodge Non-VVT 5.7L HEMI Car Engine) – ATI918435

6.78in Aluminum 2% Underdrive Super Damper for 2005–2008 Dodge 5.7L HEMI Cars

The ATI 6.78-inch Aluminum Super Damper (part ATI918435) is precision-engineered for 2005–2008 Dodge cars equipped with the non-VVT 5.7L HEMI engine. Featuring a 2% underdrive ratio and 6-groove pulley, this lightweight 3-ring aluminum damper provides outstanding harmonic control while slightly reducing accessory drag for more efficient power delivery. Whether your HEMI is street-driven, tuned, or built for performance, this damper delivers the durability, balance, and safety expected from ATI’s industry-leading technology.

Performance Highlights

  • 2% underdrive pulley reduces accessory load for minor horsepower gains
  • 6.78-inch outer diameter maintains optimal belt alignment and compact fitment
  • Lightweight aluminum construction enhances throttle response and rev speed
  • 3-ring inertia assembly provides exceptional harmonic control and smooth operation
  • SFI 18.1 certified for sanctioned motorsport safety compliance
  • Fully rebuildable for long-lasting precision and serviceability

Quick Specs

  • Outer Diameter: 6.78 inches
  • Material: Aluminum
  • Pulley Type: 6 Groove
  • Drive Ratio: 2% Underdrive
  • Rings: 3
  • Certification: SFI 18.1
  • Applications: 2005–2008 Dodge Non-VVT 5.7L HEMI Car Engines
  • Part Number: ATI918435

Why Choose ATI’s 2% UD Super Damper for Dodge 5.7L HEMI Cars?

The ATI918435 Super Damper is the perfect upgrade for HEMI owners looking to reduce rotational mass and accessory drag without compromising drivability or reliability. Its 2% underdrive setup frees up power while maintaining full charging and cooling efficiency. Backed by SFI 18.1 certification and a precision 3-ring aluminum design, it offers proven reliability for both street and track applications.

Frequently Asked Questions

What does a 2% underdrive damper do?

The 2% underdrive slightly reduces accessory drive speed, improving efficiency and freeing up a small amount of horsepower while maintaining full functionality of factory systems.

Is this damper compatible with non-VVT 5.7L HEMI cars only?

Yes. The ATI918435 is designed specifically for 2005–2008 Dodge non-VVT 5.7L HEMI engines found in cars such as the Charger, Magnum, and 300C. It will not fit VVT-equipped HEMI engines.

Will this improve engine balance and longevity?

Absolutely. ATI’s Super Damper design eliminates torsional crankshaft vibration, protecting bearings, timing components, and rotating assemblies from long-term stress.

Is it rebuildable?

Yes. Like all ATI Super Dampers, the ATI918435 is fully rebuildable using genuine ATI components, ensuring long-term accuracy and performance.

Vehicle Fitment

  • 2005 Dodge Charger 5.7L HEMI (Non-VVT)
  • 2006 Dodge Charger 5.7L HEMI (Non-VVT)
  • 2007 Dodge Charger 5.7L HEMI (Non-VVT)
  • 2008 Dodge Charger 5.7L HEMI (Non-VVT)
  • 2005–2008 Dodge 300C / Magnum / Challenger 5.7L HEMI (Non-VVT)

Contact Beefcake Racing

Beefcake Racing is your performance source for ATI Super Dampers and premium Mopar upgrades. For questions or ordering assistance, contact sales@beefcakeracing.com or call 1-855-827-7223. Our experts can help you find the right damper to match your HEMI car build and performance goals.

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