ATI Damper 7.074in Aluminum 7 Groove 15% Underdrive (20072012 Nissan VQ35 & VQ37 Engines) ATI918566
7.074in Aluminum 15% Underdrive Super Damper for 20072012 Nissan VQ35 & VQ37 Engines
The ATI 7.074-inch Aluminum Super Damper (part ATI918566) is precision-engineered for 20072012 Nissan VQ35HR and VQ37VHR engines found in the 350Z, 370Z, and Infiniti G37. Featuring a 7-groove pulley and 15% underdrive ratio, this damper reduces accessory load and parasitic drag, freeing up horsepower while maintaining excellent harmonic control. Built from lightweight billet aluminum and SFI 18.1 certified, the ATI918566 is ideal for enthusiasts seeking improved throttle response, better high-RPM balance, and maximum engine efficiency.
Performance Highlights
- 7.074-inch outer diameter provides enhanced stability and vibration control
- 15% underdrive ratio reduces accessory speed to minimize parasitic losses
- 7-groove OEM-style pulley retains factory accessory belt alignment
- Billet aluminum construction ensures strength, durability, and lightweight performance
- Ideal for street, drift, and track VQ builds requiring precision harmonic balancing
- SFI 18.1 certified for motorsport safety compliance
- Fully rebuildable to ensure consistent long-term performance
Quick Specs
- Outer Diameter: 7.074 inches
- Material: Aluminum
- Pulley Type: 7 Groove
- Drive Ratio: 15% Underdrive
- Design: Super Damper
- Certification: SFI 18.1
- Applications: 20072012 Nissan VQ35HR / VQ37VHR Engines
- Part Number: ATI918566
Why Choose ATIs 15% Underdrive Super Damper for the VQ Platform?
The ATI918566 Super Damper delivers exceptional vibration reduction and power gains for Nissans VQ35HR and VQ37VHR engines. The 15% underdrive ratio helps free up horsepower by reducing drag from accessories like the alternator and power steering pump. Its lightweight aluminum construction improves throttle response and engine longevity, making it a top-tier choice for street, autocross, and track VQ builds that demand balance and performance.
Frequently Asked Questions
What does 15% underdrive mean?
It means this damper slows accessory pulleys by 15%, reducing parasitic load and freeing up horsepower without compromising essential functionality.
Is it compatible with factory accessories?
Yes. The 7-groove OEM-style pulley ensures compatibility with all factory accessory belts and configurations.
Can it handle high-RPM or boosted builds?
Absolutely. Its SFI 18.1 certified and designed to withstand high-rev and forced-induction applications with precision balance control.
Is the damper rebuildable?
Yes. Like all ATI Super Dampers, the ATI918566 is fully rebuildable for long-term accuracy and dependability.
Vehicle Fitment
- 2007 Nissan 350Z 3.5L VQ35HR
- 2008 Nissan 350Z 3.5L VQ35HR
- 2009 Nissan 370Z 3.7L VQ37VHR
- 2010 Nissan 370Z 3.7L VQ37VHR
- 2011 Nissan 370Z 3.7L VQ37VHR
- 2012 Nissan 370Z 3.7L VQ37VHR
- 2008 Infiniti G37 3.7L VQ37VHR
- 2009 Infiniti G37 3.7L VQ37VHR
- 2010 Infiniti G37 3.7L VQ37VHR
- 2011 Infiniti G37 3.7L VQ37VHR
- 2012 Infiniti G37 3.7L VQ37VHR
Contact Beefcake Racing
Beefcake Racing is your performance source for ATI Super Dampers and precision-engineered Nissan VQ components. For ordering assistance or expert fitment help, email sales@beefcakeracing.com or call 1-855-827-7223. Our team will guide you to the perfect damper for your VQ-powered build.
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