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ATI Damper - 6.78" - Aluminum - 6/4 Groove - Street - 2 Ring (2003 - 2006 Nissan 350Z w/ 3.5L V6 VQ35 Engine) ATI918588

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Item#:
APPATI918588
$455.77
Price: $418.27
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UPC:
800157030024
Availability:
Regularly stocked product
LTL:
N
MPN:
ATI918588
Product ID:
361537
Proposition 65:
N
Category:
Engine Components>Crankshaft Dampers
Core:
N
Clearance Item:
N

ATI Damper – 6.78in – Aluminum – 6/4 Groove – Street – 2 Ring (2003–2006 Nissan 350Z 3.5L VQ35 Engine) – ATI918588

Street Super Damper for Nissan 350Z VQ35 Engines

The ATI 6.78-inch Aluminum Super Damper (part ATI918588) is designed for 2003–2006 Nissan 350Z models with the 3.5L VQ35DE engine. Featuring a 6/4 dual-groove pulley setup and a 2-ring internal damper design, it delivers smooth, consistent performance for street and light track use. The lightweight aluminum construction reduces rotational mass, while SFI 18.1 certification ensures reliability under spirited driving and high-RPM conditions. Ideal for enthusiasts looking to enhance throttle response and long-term engine health.

Performance Highlights

  • 6.78-inch outer diameter for balanced harmonic control and smooth operation
  • Dual pulley (6/4 groove) accommodates OEM and accessory drive configurations
  • 2-ring internal design absorbs vibration for improved crankshaft stability
  • Lightweight billet aluminum body reduces rotating mass for sharper throttle response
  • Street Series damper ideal for daily-driven and performance 350Z builds
  • SFI 18.1 certified for motorsport-approved safety and durability
  • Fully rebuildable for extended service life and consistent precision

Quick Specs

  • Outer Diameter: 6.78 inches
  • Material: Aluminum
  • Pulley Type: 6/4 Groove
  • Design: 2-Ring Street Super Damper
  • Certification: SFI 18.1
  • Applications: 2003–2006 Nissan 350Z 3.5L VQ35DE Engine
  • Part Number: ATI918588

Why Choose ATI’s Street Super Damper for the 350Z?

The ATI918588 Super Damper offers a perfect blend of drivability and protection for VQ35-powered 350Zs. Its dual-groove pulley system maintains accessory flexibility, while the 2-ring damper core eliminates harmful crankshaft vibration. Whether for daily driving or weekend track events, this damper enhances performance, smoothness, and long-term reliability—making it one of the best upgrades for any 350Z enthusiast.

Frequently Asked Questions

What does 6/4 groove mean?

It refers to the damper’s dual-pulley design—one with 6 grooves and another with 4—allowing compatibility with multiple accessory belt setups.

Is it suitable for both street and track use?

Yes. While optimized for street performance, the ATI918588 handles occasional track or drift use with ease.

Will this fit OEM accessories?

Yes. It’s designed for direct fitment with OEM accessory belt systems on VQ35DE engines.

Is it rebuildable?

Absolutely. All ATI Super Dampers are fully rebuildable for long-term, repeatable performance.

Vehicle Fitment

  • 2003 Nissan 350Z 3.5L VQ35DE
  • 2004 Nissan 350Z 3.5L VQ35DE
  • 2005 Nissan 350Z 3.5L VQ35DE
  • 2006 Nissan 350Z 3.5L VQ35DE

Contact Beefcake Racing

Beefcake Racing is your trusted source for ATI Super Dampers and high-performance Nissan components. For ordering or fitment assistance, email sales@beefcakeracing.com or call 1-855-827-7223. Our performance team can guide you to the best damper for your 350Z build.

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov