ATI Super Damper SFI 15% Overdrive 8 Rib (20112025 Mustang GT) 918053
High-Performance 8-Rib 15% Overdrive Harmonic Balancer for Mustang GT
The ATI Super Damper SFI 15% Overdrive 8 Rib (PN 918053) is engineered for serious Mustang GT enthusiasts who demand increased belt traction, precise balancing, and greater power potential. Built for the 5.0L Coyote platform, this 8-rib damper provides a 15% overdrive ratioideal for higher boost levels or heavy accessory loadswhile maintaining OEM reliability and fitment.
Featuring a billet aluminum shell with an OEM-sized 6-rib A/C pulley, the ATI 918053 damper comes equipped with laser-etched 360° timing marks for easy tuning. It exceeds SFI 18.1 certification, offering the same race-proven performance trusted by championship-level Cobra Jet racers. Please note: this damper is not compatible with Edelbrock, Roush, or VMP supercharger systems. Contact us for fitment details before ordering.
Performance Highlights
- 15% Overdrive: Boosts pulley speed for greater supercharger and accessory performance.
- 8-Rib Configuration: Provides superior belt traction and reduced slippage under load.
- OEM A/C Pulley: Billet aluminum 6-rib pulley maintains factory alignment.
- Laser-Etched 360° Timing Marks: Ensures precision for custom tuning and ignition setup.
- SFI 18.1 Certified: NHRA-approved for safe, race-ready use.
- Durable Construction: Aluminum shell and elastomer design for longevity and vibration control.
Quick Specs
- Part Number: 918053
- Application: 20112025 Ford Mustang GT, 2013 Cobra Jet, 2013 Supercharged Cobra Jet
- Drive Type: 8-Rib Serpentine with 6-Rib A/C Pulley
- Overdrive Percentage: 15%
- Supercharger Pulley Diameter: 7.795 in.
- Material: Aluminum
- Construction: Elastomer
- Finish: Black Anodized
- Engine Balance: Internal
- Degree Markings: 360° Laser-Etched
- Safety Rating: SFI 18.1
- Keyway: Single 3/16 in.
- Mounting Hardware: Not Included
- Compatibility Notes: Not for Edelbrock, Roush, or VMP applications.
Why Choose the ATI Super Damper 918053?
The ATI Super Damper is the gold standard for harmonic control on the Coyote 5.0 platform. While OEM dampers are tuned for narrow driving conditions, the 918053 offers broad, balanced dampening across all RPM ranges. Whether youre racing your Mustang or daily driving it with big power, this damper keeps your crankshaft smooth, stable, and efficient under pressure.
FAQs
Q: Is this damper compatible with all superchargers?
A: No. The 918053 is not compatible with Edelbrock, Roush, or VMP systems. Please contact us for specific fitment questions.
Q: Can I use this damper with a stock A/C setup?
A: Yes. It includes a billet aluminum 6-rib A/C pulley in the OEM size and position.
Q: What makes this damper better than stock?
A: It provides balanced torsional dampening at all RPMs, eliminating vibrations that can rob power and damage components under load.
Vehicle Fitment
- 2011 Ford Mustang GT 5.0L Coyote
- 2012 Ford Mustang GT 5.0L Coyote
- 2013 Ford Mustang GT 5.0L Coyote
- 2013 Ford Mustang Cobra Jet
- 2013 Ford Mustang Supercharged Cobra Jet
- 2014 Ford Mustang GT 5.0L Coyote
- 2015 Ford Mustang GT 5.0L Coyote
- 2016 Ford Mustang GT 5.0L Coyote
- 2017 Ford Mustang GT 5.0L Coyote
- 2018 Ford Mustang GT 5.0L Coyote
- 2019 Ford Mustang GT 5.0L Coyote
- 2020 Ford Mustang GT 5.0L Coyote
- 2021 Ford Mustang GT 5.0L Coyote
- 2022 Ford Mustang GT 5.0L Coyote
- 2023 Ford Mustang GT 5.0L Coyote
- 2024 Ford Mustang GT 5.0L Coyote
- 2025 Ford Mustang GT 5.0L Coyote
About Beefcake Racing
Beefcake Racing is your trusted source for Mustang and high-performance 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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