ATI Super Damper SFI Stock Replacement – 6 Rib (2011–2025 Mustang GT) – 918047
High-Performance Harmonic Balancer for Coyote 5.0 Mustang
The ATI Super Damper SFI Stock Replacement is purpose-built for Mustang GT owners demanding factory fitment with race-grade performance. Designed for the legendary 5.0L Coyote engine, this 6-rib damper (PN 918047) maintains OEM diameter while delivering unmatched harmonic control. It includes dual serpentine pulleys for accessory drives and bolt-on provisions for popular superchargers, making it an ideal choice for naturally aspirated or boosted builds.
Engineered and tested to exceed SFI 18.1 certification, this damper features laser-etched 360° timing marks and durable aluminum construction with a black zinc-chromate finish. Tunable, rebuildable, and NHRA-approved—this is the last damper your Mustang will ever need.
Performance Highlights
- Eliminates Crankshaft Harmonics: Reduces vibration and parasitic horsepower loss.
- Dual 6-Rib Serpentine Design: Perfect OEM replacement for stock drive systems.
- Supercharger Compatible: Bolt-on pulley provisions for most major brands.
- Laser-Etched 360° Timing Marks: Makes tuning simple and accurate.
- SFI 18.1 Certified: Race-legal and NHRA-approved for high-RPM performance.
Quick Specs
- Part Number: 918047
- Application: Ford Mustang GT 5.0L Coyote
- Drive Type: 6-Rib Serpentine
- Outside Diameter: 6.780 in.
- Material: Aluminum
- Construction: Elastomer
- Finish: Black Zinc Chromate
- Engine Balance: Internal
- Degree Markings: 360° Laser-Etched
- Weight: 4.5 lbs
- Safety Rating: SFI 18.1
- Mounting Hardware: Not Included
Why Choose ATI Super Damper?
Unlike stock dampers that can fade under high-RPM stress, the ATI Super Damper keeps your rotating assembly stable and efficient. Whether you’re daily-driving, drag racing, or road-coursing, this unit ensures smooth operation, consistent power delivery, and long-term reliability.
FAQs
Q: Can this damper be used with aftermarket superchargers?
A: Yes. It includes bolt-on provisions compatible with most major supercharger kits.
Q: Is this suitable for street and track use?
A: Absolutely. It’s SFI 18.1 certified and NHRA-approved, making it perfect for both daily drivers and competition builds.
Q: Is it a direct-fit replacement?
A: Yes, the 918047 is designed as a stock-diameter, direct-fit replacement for the 2011–2025 Mustang GT 5.0L Coyote engine.
Vehicle Fitment
- 2011 Ford Mustang GT 5.0L Coyote
- 2012 Ford Mustang GT 5.0L Coyote
- 2013 Ford Mustang GT 5.0L Coyote
- 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 performance parts, offering expert support and unbeatable pricing. Whether you’re upgrading to an ATI Super Damper or adding a full supercharger kit, 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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