ATI Damper 8.074in Aluminum 10 & 6 Groove 20% Overdrive (2014 & 2016 Ford Coyote 5.0L Cobra Jet) ATI918066
20% Overdrive Dual-Groove Aluminum Super Damper for 2014 & 2016 Ford Cobra Jet 5.0L
The ATI 8.074-inch Aluminum Super Damper (part ATI918066) is precision-engineered for the high-performance 2014 and 2016 Ford Cobra Jet 5.0L Coyote V8. Designed with a 20% overdrive ratio and a dual 10 & 6-groove pulley system, this damper delivers increased supercharger speed, enhanced belt grip, and exceptional harmonic control. Built from lightweight aluminum and SFI 18.1 certified, it ensures smooth operation and race-proven reliability the same technology trusted in championship-level Ford Racing applications.
Performance Highlights
- 20% overdrive design increases supercharger RPM for greater boost and horsepower
- 8.074-inch outer diameter improves belt wrap and accessory drive efficiency
- Dual 10 & 6-groove pulley configuration supports supercharger and accessory systems
- Lightweight aluminum construction reduces rotating mass for faster throttle response
- Advanced 3-ring damper technology eliminates harmful crankshaft vibrations
- SFI 18.1 certified for NHRA, IHRA, and track-approved safety
- Fully rebuildable for long-term precision and durability
Quick Specs
- Outer Diameter: 8.074 inches
- Material: Aluminum
- Pulley Type: Dual 10 & 6 Groove
- Drive Ratio: 20% Overdrive
- Certification: SFI 18.1
- Applications: 2014 & 2016 Ford Cobra Jet 5.0L Coyote V8
- Part Number: ATI918066
Why Choose the ATI 8.074in 20% Overdrive Dual-Groove Super Damper?
The ATI918066 was developed for the Ford Racing Cobra Jet program vehicles that demand flawless performance at extreme RPMs. Its dual 10 & 6-groove pulley system provides maximum belt contact and power transfer, ideal for high-boost supercharged Coyote setups. The 20% overdrive increases blower speed and torque output, while ATIs legendary damper technology protects your crankshaft from destructive harmonics. Whether in competition or extreme street builds, this damper delivers proven race-winning performance and reliability.
Frequently Asked Questions
What is the advantage of a 20% overdrive ratio?
The 20% overdrive pulley increases supercharger RPM for higher boost pressure, improving acceleration and overall horsepower output.
Why does this damper have dual 10 & 6 grooves?
The dual-groove layout allows independent belt systems for accessories and the supercharger, ensuring better traction and reduced belt slip under high load.
Is this damper compatible with non-Cobra Jet Coyotes?
Its specifically designed for the 2014 and 2016 Ford Cobra Jet 5.0L applications but may fit custom-built supercharged Coyote engines using similar pulley configurations.
Do I need a longer belt with this overdrive damper?
Yes. Due to the larger 8.074-inch pulley diameter, a slightly longer belt is typically required to maintain proper tension.
Vehicle Fitment
- 2014 Ford Cobra Jet 5.0L Coyote V8
- 2016 Ford Cobra Jet 5.0L Coyote V8
Contact Beefcake Racing
Beefcake Racing is your leading source for ATI Super Dampers and Ford Performance parts. For expert guidance or to place your order, email sales@beefcakeracing.com or call 1-855-827-7223. Our team can help you select the right damper for your Cobra Jet or custom Coyote build.
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