ATI Damper for Dodge 2011+ 5.67in Alum 6 Groove 15% UD 5.7L & 6.4L Hemi VVT

ATI 5.67" Aluminum Harmonic Damper for 2011+ Dodge 5.7L & 6.4L Hemi VVT Brand: ATI Upgrade engine reliability and reduce crankshaft stress with the ATI 5.67-inch aluminum harmonic damper designed specifically for 2011 and newer Dodge 5.7L & 6.4L HEMI VVT engines. Engineered for performance and durability, this damper features a 6-groove pulley and 15% underdrive to optimize accessory drive speed and free up horsepower. Fitment: Dodge 2011+ 5.7L & 6.4L HEMI with VVT Diameter: 5.67 inches Material: High-strength aluminum Grooves: 6-groove pulley for OE accessory belts Underdrive: 15% underdrive (UD) for reduced parasitic loss Pieces: 1-piece construction for added stiffness This ATI damper lowers harmonic vibration, improves throttle response, and helps protect the crankshaft and timing components under high load or modified conditions. Ideal for street performance, towing, or vehicles with upgraded engines and accessories. Why choose ATI: Precision machining, vehicle-specific fitment, and proven performance make this damper a smart upgrade for HEMI owners seeking reliability and measurable gains.