ATI Damper 6.78in Aluminum 8 Groove OEM Size (19962004 Ford Mustang Cobra 4.6L) ATI918037
OEM-Size 8-Groove Aluminum Super Damper for 19962004 Mustang Cobra 4.6L
The ATI 6.78-inch Aluminum Super Damper (part ATI918037) is purpose-built for 19962004 Ford Mustang Cobra 4.6L DOHC engines that demand precise harmonic control and OEM-size pulley compatibility with 8-rib belt systems. This damper delivers smooth power, high-RPM stability, and superior vibration reductionall while maintaining factory accessory and supercharger speeds. Crafted from lightweight, high-strength aluminum and SFI 18.1 certified, its the perfect upgrade for street or track Cobras seeking unmatched reliability and balance.
Performance Highlights
- OEM diameter (6.78-inch) retains factory pulley ratios and belt alignment
- 8-groove pulley supports high-grip belt systems used in supercharged builds
- Lightweight aluminum body reduces rotating mass and improves throttle response
- 3-ring design eliminates torsional vibration for long-term crankshaft protection
- SFI 18.1 certified for race-level performance and safety compliance
- Fully rebuildable for lasting precision and serviceability
- Made in the USA and trusted by professional engine builders
Quick Specs
- Outer Diameter: 6.78 inches
- Material: Aluminum
- Pulley Type: 8 Groove
- Size: OEM Diameter
- Rings: 3
- Certification: SFI 18.1
- Applications: 19962004 Ford Mustang Cobra 4.6L DOHC
- Part Number: ATI918037
Why Choose the ATI 8-Groove OEM-Size Super Damper?
For high-performance 4.6L DOHC engines running upgraded belt drives or superchargers, the ATI918037 offers OEM dimensions with superior damping control. The 8-rib design delivers improved grip for high-boost applications while maintaining factory accessory speeds. Engineered for balance, safety, and longevity, this damper eliminates harmonic distortion that can damage bearings and crankshafts under loadmaking it a must-have for boosted or high-RPM Cobra builds.
Frequently Asked Questions
Is this damper a direct replacement for OEM?
Yes. Its a direct-fit, OEM-diameter replacement that maintains factory belt alignment while offering superior balance and damping control.
Why choose an 8-groove pulley over a 6-groove?
8-rib systems provide more belt surface contact and gripideal for supercharged applications that experience high belt tension.
Will it affect supercharger or accessory speed?
No. This damper is OEM-sized, so all belt-driven components maintain factory speeds.
Is tuning required after installation?
No tune is needed when replacing with an OEM-size damper, unless other power modifications are performed simultaneously.
Vehicle Fitment
- 1996 Ford Mustang Cobra 4.6L DOHC
- 1997 Ford Mustang Cobra 4.6L DOHC
- 1998 Ford Mustang Cobra 4.6L DOHC
- 1999 Ford Mustang Cobra 4.6L DOHC
- 2000 Ford Mustang Cobra 4.6L DOHC
- 2001 Ford Mustang Cobra 4.6L DOHC
- 2003 Ford Mustang Cobra 4.6L DOHC
- 2004 Ford Mustang Cobra 4.6L DOHC
Contact Beefcake Racing
Beefcake Racing is your #1 source for ATI Super Dampers and Ford Modular engine upgrades. For assistance or to order, email sales@beefcakeracing.com or call 1-855-827-7223. Our performance experts will help you find the right damper for your Cobra build.
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