ATI Super Damper SFI 10% Overdrive (20152017 SRT Hellcat) 918485
High-Performance 10% Overdrive Harmonic Balancer for SRT Hellcat
The ATI Super Damper SFI 10% Overdrive (PN 918485) is engineered to extract even more performance from your 20152017 Dodge Charger or Challenger SRT Hellcat. Designed for the 6.2L Supercharged HEMI engine, this damper increases boost by approximately 3 PSI and has been proven to deliver up to +60 RWHP on 93 octaneand even greater gains on E85 with proper tuning.
Constructed with a 2024 billet aluminum shell and steel hub, this 8.9" diameter damper is SFI 18.1 certified for competition use and built to outperform OEM components under extreme power. Whether youre chasing more boost or stabilizing your rotating assembly, the ATI Super Damper delivers unmatched balance, safety, and efficiency across the entire RPM range.
Performance Highlights
- 10% Overdrive: Increases boost pressure by approximately 3 PSI for noticeable power gains.
- Proven Power: Adds up to +60 RWHP on pump gas with proper tuning.
- 8.9 Diameter Billet Design: Combines a 2024 aluminum shell with a precision steel hub for maximum durability.
- Laser-Engraved Timing Marks: Simplifies tuning and ignition setup.
- Tunable & Rebuildable: Long service life with rebuildable construction.
- SFI 18.1 Certified: Exceeds competition-grade safety standards.
Quick Specs
- Part Number: 918485
- Application: 20152017 Dodge Challenger & Charger SRT Hellcat (6.2L Supercharged HEMI)
- Type: 10% Overdrive
- Boost Gain: +3 PSI (approx.)
- Material: 2024 Billet Aluminum Shell / Steel Hub
- Diameter: 8.9 in.
- Finish: Black Zinc Chromate
- Construction: Elastomer
- Safety Rating: SFI 18.1
- Certification: NHRA Approved
- Belt Requirement: 59.4 Gates K100594HD (recommended)
- Installation Note: A/C bracket may require slight grinding for clearance.
- OEM Usage: Factory damper on 392 Mopar Crate Engines.
- Mounting Hardware: Not Included
Why Choose the ATI Super Damper 918485?
The ATI 918485 Overdrive Damper is built for Hellcat owners demanding more boost, more safety, and more control. While stock dampers are tuned for narrow driving conditions, this unit stabilizes the crankshaft at all RPM levelsespecially critical in high-horsepower applications. With tunable, rebuildable construction and SFI 18.1 certification, its the trusted choice for racers and street warriors alike.
FAQs
Q: How much boost increase can I expect?
A: Approximately 3 PSI more than stock, resulting in up to +60 RWHP with custom tuning.
Q: Will this damper fit my 20152017 Hellcat without modification?
A: Yes, its a direct bolt-on, but the A/C bracket may require light grinding for clearance.
Q: Is this damper street and race legal?
A: Yes. It exceeds SFI 18.1 certification and is NHRA-approved for competitive use.
Vehicle Fitment
- 2015 Dodge Challenger SRT Hellcat 6.2L Supercharged
- 2015 Dodge Charger SRT Hellcat 6.2L Supercharged
- 2016 Dodge Challenger SRT Hellcat 6.2L Supercharged
- 2016 Dodge Charger SRT Hellcat 6.2L Supercharged
- 2017 Dodge Challenger SRT Hellcat 6.2L Supercharged
- 2017 Dodge Charger SRT Hellcat 6.2L Supercharged
About Beefcake Racing
Beefcake Racing is your trusted source for Hellcat and high-performance HEMI parts, offering expert support and unbeatable pricing. Whether you're upgrading with an ATI Super Damper or adding a complete power package, our team helps you build it right the first time. Contact us today at sales@beefcakeracing.com or call 1-855-827-7223 for personalized advice from true gearheads.
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