ATI 918437 Super Damper 17% Overdrive for 2005-2010 6.1L HEMI SRT8

Vehicle Fitment

• 2005-2010 Chrysler 300C SRT8 (6.1L HEMI, RWD)
• 2006-2010 Dodge Charger SRT8 (6.1L HEMI, RWD)
• 2006-2008 Dodge Magnum SRT8 (6.1L HEMI, RWD)
• 2008-2010 Dodge Challenger SRT8 (6.1L HEMI, RWD)
• 2006-2010 Jeep Grand Cherokee SRT8 (6.1L HEMI, 4WD)

Features

• 17% overdrive increases supercharger/alternator speed for high-output applications
• Aluminum shell with steel inertia weight for strength and balance
• Laser-etched 360° timing marks for precise ignition tuning
• Eliminates crankshaft torsional vibrations across RPM range
• Black zinc chromate finish resists corrosion
• SFI 18.1 certified for street and racing use
• Tunable and rebuildable design supports high-hp and boosted engines
• Three-ring design with O-ring grooves ensures assembly durability*

Specifications

• Outside Diameter: 7.48 inches (approx.)
• Drive Ratio: 17% overdrive
• Groove Configuration: 6-rib serpentine
• Materials: Aluminum shell, steel hub
• Finish: Black zinc chromate
• Timing Marks: Laser-etched 360° scale
• SFI Certification: 18.1
• Mounting Hardware: Not included

Included Components

• 1x ATI 918437 Super Damper Harmonic Balancer
• Note: Mounting hardware not included

Product Description

The ATI 918437 Super Damper is purpose-built for 6.1L HEMI SRT8 engines from 2005 to 2010. Featuring a 17% overdrive, it enhances supercharger and accessory speeds - ideal for high-output and boosted setups - without requiring a smaller pulley that risks belt slip.

Crafted with a laser-timed, three-ring aluminum-elastomer shell and steel hub, this damper suppresses crankshaft harmonics across the RPM spectrum and includes laser-etched 360° timing marks for accurate tuning. Finished in black zinc chromate and SFI 18.1 certified, it is both durable and race-ready. Note that mounting hardware is not included.

Fitment validated for 2005-2010; coverage beyond 2010 is unconfirmed at this time.