null

ATI Damper - 6.78" - Aluminum - 6 Groove - OEM Size (2003 - 2004 Ford 4.6 Cobra w/OEM Crank Support ) ATI918044

Image is a representation of this item.
Actual item may vary.

Item#:
APPATI918044
$409.26
Price: $399.95
(You save $9.31 )
(No reviews yet) Write a Review
UPC:
800157029974
Availability:
Special order
LTL:
N
MPN:
ATI918044
Product ID:
361431
Proposition 65:
N
Category:
Engine Components>Crankshaft Dampers
Core:
N
Clearance Item:
N

ATI Damper – 6.78in – Aluminum – 6 Groove – OEM Size (2003–2004 Ford Mustang Cobra 4.6L w/ OEM Crank Support) – ATI918044

OEM-Size Aluminum Super Damper for 2003–2004 Mustang Cobra 4.6L with OEM Crank Support

The ATI 6.78-inch Aluminum Super Damper (part ATI918044) is designed for 2003–2004 Ford Mustang Cobra 4.6L DOHC engines equipped with OEM crank support systems. This damper maintains the factory pulley diameter for precise accessory speeds while delivering superior harmonic control and high-RPM stability. Constructed from lightweight aluminum and SFI 18.1 certified, it ensures optimal balance, durability, and smooth operation in both street and high-performance forced-induction applications.

Performance Highlights

  • OEM diameter (6.78-inch) maintains stock pulley ratios and belt alignment
  • 6-groove pulley fits factory belt systems and crank support assemblies
  • Lightweight aluminum construction reduces rotating mass for faster revs
  • 3-ring design absorbs harmful vibrations and improves crankshaft longevity
  • Compatible with OEM crank support for seamless installation
  • SFI 18.1 certified for race-level safety and performance
  • Fully rebuildable for long-term use

Quick Specs

  • Outer Diameter: 6.78 inches
  • Material: Aluminum
  • Pulley Type: 6 Groove
  • Size: OEM Diameter
  • Rings: 3
  • Certification: SFI 18.1
  • Compatibility: Designed for OEM Crank Support
  • Applications: 2003–2004 Ford Mustang Cobra 4.6L DOHC
  • Part Number: ATI918044

Why Choose the ATI 6.78in Super Damper for OEM Crank Support Cobras?

The ATI918044 delivers the reliability and smooth operation that Terminator Cobra owners demand. Its lightweight aluminum body and OEM-size pulley preserve factory accessory speeds while eliminating harmful crankshaft harmonics. Specifically engineered to work with OEM crank support systems, this damper ensures proper alignment and consistent belt tension under boost. It’s a must-have for any supercharged 4.6L build looking for long-term performance and protection.

Frequently Asked Questions

Does this fit with the factory crank support system?

Yes. The ATI918044 is designed specifically for 2003–2004 Cobras equipped with OEM crank support assemblies.

Will this change my accessory or supercharger speeds?

No. This is an OEM-size damper, so all belt-driven components retain factory speed ratios.

Is tuning required after installation?

No tune is needed when replacing the damper with an OEM-size unit unless other performance modifications are made.

Is this damper compatible with forced-induction setups?

Yes. It’s ideal for supercharged and turbocharged engines, offering improved crankshaft control and high-RPM stability.

Vehicle Fitment

  • 2003 Ford Mustang Cobra 4.6L DOHC (w/ OEM Crank Support)
  • 2004 Ford Mustang Cobra 4.6L DOHC (w/ OEM Crank Support)

Contact Beefcake Racing

Beefcake Racing is your trusted source for ATI Super Dampers and Ford Modular performance parts. For help selecting the right damper or to place an order, email sales@beefcakeracing.com or call 1-855-827-7223. Our experienced team will help you find the perfect fit for your 2003–2004 Cobra build.

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