The ATI Performance Products 918459 Super Damper is a high-performance harmonic balancer designed specifically for 2011 and newer Chrysler Gen III Hemi engines, including 5.7L and 6.4L applications. This precision-engineered crankshaft damper effectively eliminates torsional crankshaft vibrations across the entire RPM range, making it ideal for both street performance and racing applications.

Key Features:

• SFI 18.1 Certified: Meets and exceeds SFI 18.1 specifications for competition use
• Patented 3-Ring Design: Features computer-machined grooves with dyno-tested O-rings for optimal vibration dampening
• Aluminum Construction: Lightweight aluminum inner and outer shells with steel inertia weight for balanced performance
• Laser-Engraved Timing Marks: 360-degree timing marks for precise engine tuning
• 6-Groove Serpentine Belt: Accommodates standard accessory drive systems
• Black Zinc Chromate Finish: Durable, corrosion-resistant coating
• Internal Balance: Designed for internally balanced engines
• 6.78-inch Outer Diameter: OEM-compatible sizing with 6% overdrive ratio

Applications: Compatible with 2011+ Chrysler 300C, Dodge Challenger, Dodge Charger, and Jeep Grand Cherokee equipped with 5.7L or 6.4L Hemi engines featuring variable valve timing (VVT). The ATI Super Damper is rebuildable, tunable, and proven in professional racing environments including Winston Cup and drag racing competition.