ATI 918055 Super Damper 6.78" 6/4 Groove for 2015-2025 Ford F-150 5.0L V8

Vehicle Fitment

• 2015-2025 Ford F-150 (5.0L V8, RWD/4WD)
• 2015-2025 Ford Mustang GT (5.0L V8, RWD)
• 2015-2025 Ford BOSS 302 (5.0L V8, RWD)

Features

• Eliminates crankshaft torsional vibrations for smoother operation
• Aluminum shell with steel inertia weight for strength and durability
• 6/4-groove configuration compatible with serpentine belt systems
• Includes OEM-style 6-rib A/C pulley
• Laser-engraved timing marks for accurate ignition timing
• Meets SFI 18.1 safety certification standards
• Tunable and rebuildable design for long-term use
• High-performance design for street or racing applications

Specifications

• Outside Diameter: 6.78 inches
• Groove Configuration: 6/4 grooves
• Material: Aluminum shell with steel inertia weight
• Finish: Black zinc chromate
• Timing Marks: Laser-engraved
• SFI Certification: 18.1
• Weight: Approximately 6.5 lbs
• Includes OEM-style A/C pulley

Included Components

• 1x ATI 918055 Super Damper Harmonic Balancer
• 1x 6-Rib A/C Pulley
• 1x Installation Instructions

Product Description

The ATI 918055 Super Damper is engineered for the 2015-2024 Ford F-150 and select Mustang GT and BOSS 302 models with the 5.0L V8 engine. It is designed to eliminate torsional vibrations in the crankshaft, improving engine smoothness, reliability, and performance under high-load conditions.

Constructed with an aluminum shell and steel inertia weight, this damper includes a 6/4-groove configuration for serpentine belt compatibility and an OEM-style 6-rib A/C pulley. Laser-engraved timing marks allow precise ignition adjustments, and its tunable, rebuildable design ensures long-term usability.

Certified to SFI 18.1 standards, the ATI 918055 Super Damper is suitable for both street performance and racing applications. Fitment is confirmed through 2024; 2025 coverage is unconfirmed at this time.